Proven components and technology provide proven reliability
Electronic systems monitor vital machine components
Excellent uptime from the best dealer support network in the industry
Unmatched genuine Cat parts availability
The 972H features many of the components designed and proven in previous 972 models - all contribute to the reliability of the 972H:
Planetary powershift transmission
Free wheel stator torque converter
Separated cooling system
Since March 2003, ACERT Technology has been proving itself in on-highway trucks. More recently it has proven itself again in field tests of off-highway equipment. This technology allows Cat engines to meet durability and reliability expectations without sacrificing fuel economy or performance.
CATERPILLAR DESIGNED COMPONENTS
Components used to build Cat Wheel Loaders are designed and manufactured to Caterpillar quality standards to ensure maximum performance even in extreme operating conditions. Engine electronic control modules and sensors are completely sealed against moisture and dust. Deutsche connectors and electrical wire braiding ensure that electrical connections resist corrosion and premature wear. Hoses are engineered and manufactured for high resistance to abrasion, excellent flexibility and easy installation and replacement. Caterpillar® couplings use o-ring face seals to provide positive sealing for durable leak-free connections. Heavy duty components reduce the risk of leaks, corrosion and premature wear increasing uptime and helping to protect the environment.
Monitoring product health is key to maintaining reliability of any equipment. Many programs are available on the 972H - both as standard and optional features - to help you track machine condition.
Caterpillar Monitoring System
The 972H is equipped with the Cat Monitoring System (CMS) that keeps watch over the health of your loader. CMS monitors critical engine system functions and will derate the engine to protect itself from damage if needed. Depending on which of the following six critical conditions arise, the CMS monitor or front panel will display warning lights and sound audible alarms.
High coolant temperature
High air inlet temperature
Low engine oil pressure
High fuel pressure
Low fuel pressure
Product Link is a state-of-the-art satellite technology based product that provides two-way information flow between machine on-board systems and the Caterpillar network operations center. Multiple types of information can be collected and tracked - from machine location and service meter hours, to health and productivity information.
With a subscription to EquipmentManager through the Cat Dealer Storefont the information collected through Product Link can be transmitted to a computer. With fast, easy-to-access machine information, you can optimize asset utilization, reduce security risks, improve maintenance management and implement before-failure repair strategies. The result is more uptime, lower operating costs and a higher overall return on equipment investment.
Keep minor repairs from becoming major ones and avoid complete failures. By regularly taking samples from the ports provided, your Cat dealer tracks wear of components and parts, oil performance, and oil condition and uses that data to predict wear-related problems before they happen. Often a simple adjustment or replacement of a part, based on S•O•S reports, can keep a small problem from turning into a major repair - allowing your machine to be running when you need it, not waiting in the shop for service.
The Caterpillar global network of independently-owned dealers is the best in the world at providing support to keep your loader up and running. Known for parts availability and technical expertise, Cat dealers are partners in your business.
Cat field service technicians have the experience and tools necessary to service your loader on site. Field service trucks are fully loaded with state-of-the-art tools and diagnostic equipment as well as specifications and schematics for every Cat machine. Technical experts at the dealership and at Caterpillar are available to provide assistance to field service technicians when needed. When on-site repair isn't enough, Cat dealerships are fully-equipped to service your loader quickly.
Caterpillar provides an unsurpassed level of personalized service for your wheel loader. With parts distribution centers throughout the world, most parts can be delivered in 24 hours.
Cat engines and major components are designed to be remanufactured and provide multiple life cycles. The Cat Reman program is more extensive than most rebuild programs. Components are actually remanufactured in the factory to original specifications with necessary product updates. Strict reuse guidelines and unparalleled quality control ensure that reman products provide the reliability and durability that you expect from Caterpillar. Reman products are stocked in distribution centers around the world and are ready to install to minimize downtime, maintain productivity and profitability.
ACERT™ Technology maintains engine performance, efficiency and durability while reducing emissions
Heavy duty components withstand all operating conditions
Strong, solid structures built to last
EPA TIER III, EU STAGE III COMPLIANT C13 ENGINE
ACERT Technology combines proven systems with innovative new technologies to precisely deliver fuel to the combustion chamber. It maintains engine performance, efficiency and durability while dramatically reducing emissions. The Cat C13 with ACERT technology is a 12.5 L displacement, 6-cylinder, electronically governed engine. Electronic fuel injection is provided through the well-proven Caterpillar mechanically actuated, electronically controlled unit injection (MEUI) system. A wastegate turbocharger, equipped with a titanium wheel for improved durability, combined with air-to-air aftercooling (ATAAC) provides consistent high horsepower with increased altitude capability.
Brazed aluminum construction provides a stronger joint for maximum durability and resistance to leaks. The 6-fins-per-inch, square-wave core design decreases the chance of blockage and plugging.
The 972H continues to use heavy-duty powershift transmission technology proven on previous models and currently used up through the largest wheel loader built by Caterpillar - the 994F. The planetary powershift transmission features heavy-duty components to handle the toughest applications. Built-in electronic controls enhance productivity and durability.
Control Throttle Shifting
Control Throttle Shifting regulates engine speed during high-energy directional changes for smoother shifting and longer component life.
Electronic Clutch Pressure Control
Electronic Clutch Pressure Control (ECPC) system modulates clutches individually to improve shift quality, component life and operator comfort. Adjustment is simplified with all solenoid valves externally mounted on top of the transmission housing.
The 972H axles are designed by Caterpillar for durability in all operating conditions. The front axle is rigidly mounted to the frame to support the weight of the wheel loader and withstand internal torque loads as well as external forces encountered throughout operation. The rear axle is designed to allow ± 13° oscillation. All four wheels remain on the ground over uneven terrain providing excellent stability and traction.
Integrated Braking System
The Cat exclusive Integrated Braking System reduces axle oil temperatures and improves transmission neutralizer smoothness. IBS has a direct impact on durability of the axles and brakes especially in applications involving long distances and/or heavy braking.
The articulated frame design of the 972H features a durable box-section engine frame and rigid four-plate loader tower that is robotically welded. Robotic welding creates frame joints with deep plate penetration welds and excellent fusion for maximum strength and durability.
Engine End Frame (EEF)
A full box-section engine end frame with hitch plates at the front end provides a strong, rigid structure that resists twisting and impact loads. The result is an extremely solid mounting platform for the engine, transmission, axle, ROPS and other accessories.
The distance between the upper and lower hitch plates is an important contributor to machine performance and component life. The Caterpillar spread hitch design provides excellent load distribution and bearing life. Both the upper and lower hitch pins pivot on double tapered roller bearings - improving durability by distributing both vertical and horizontal loads over a larger surface area. The wide opening also provides excellent service access.
Non-Engine End Frame (NEEF)
The non-engine end frame provides a solid mounting base for the front axle, lift arms, lift cylinders and tilt cylinders. The fabricated, four-plate loader tower absorbs the forces associated with loading, twisting and penetration.
The one-piece counterweight is integrated into the 972H design and styling. This 5,849 lb (2653 kg) counterweight incorporates the rear lights into the top of the structure.
The 972H linkage is a single-tilt Z-bar design. Z-bar linkage generates excellent breakout force and good rack back angle for better bucket loading and load retention. Lift arms are solid steel, providing superior strength with an excellent front end viewing area. The proven design offers excellent dump clearance and reach for exceptional matching to both on- and off-highway trucks. Rotary sensors, for the tilt lever and lift circuit allow the operator to electronically set detent positions from the cab. A guard covers the sensor to protect it from damage.
Maximum fuel efficiency and flexibility in idle speeds
Consistent horsepower regardless of conditions
Standard and optional features that maximize productivity
LOAD SENSING HYDRAULICS
The 972H features a load sensing hydraulic system that automatically adjusts to operating conditions to provide only the hydraulic flow required by the implement for improved fuel efficiency. With the new M3PC Priority Proportional Pressure Compensation Valve, implement control is improved over the previous system - raise/lower and rack back/dump can be operated simultaneously and fine modulation is repeatable for improved productivity. Operators will notice enhanced ease of operation, more rimpull into the pile and a 20% increase in lift force.
Electrohydraulic Implement Controls
Electrohydraulic implement controls on the 972H provide the operator with in-cab programmable kickouts to prevent material spillage - improving productivity. The implement control console features an optional Forward/Neutral/Reverse switch allowing fast, easy directional changes to reduce cycle times.
CONSTANT NET HORSEPOWER
On many competitive machines, gross horsepower is constant, meaning that net engine power available for actual work will vary based on demands made from parasitic sources, such as air conditioning or cooling fans. The Cat C13 engine is electronically configured to provide constant net horsepower at full parasitic load enhancing productivity and improving fuel efficiency.
PLANETARY POWERSHIFT TRANSMISSION
The electronic planetary powershift transmission with automatic shift capability is designed and built by Caterpillar. The very responsive, full-power speed and directional changes provide excellent cycle times and productivity.
VARIABLE SHIFT CONTROL
Match transmission shifting patterns to machine application requirements. Variable Shift Control (VSC) improves shift quality and fuel efficiency in certain applications by allowing the transmission to upshift at lower engine RPMs.
The optional Ride Control System improves ride, performance and load retention when traveling over rough terrain. Operators gain confidence moving at higher speeds in load and carry operations decreasing cycle times and increasing productivity.
PAYLOAD CONTROL SYSTEM
Scales, designed specifically for Cat machines allow on-the-go weighing of material in the bucket. Operators load trucks more accurately and efficiently. Loading trucks right the first time equates to quicker cycles for the operator and more productivity for your operation. Payload Control is offered as a factory-installed option. Driver tickets and a variety of reports can be printed with the addition of the optional printer.
The optional Caterpillar Autolube System provides precise, automatic lubrication of pins and bushings - during loader operation. Automatic lubrication reduces time spent on daily maintenance and downtime for unplanned repairs due to inadequate greasing - improving productivity.
Well-received by both experienced and novice operators, the optional Aggregate Autodig automates the loading process. Aggregate Autodig provides smoother loading cycles, consistently full payloads and eliminates tire spin - all without touching the controls.
Special machine arrangements provided from the factory
A variety of buckets and work tools for many applications
SPECIAL MACHINE ARRANGEMENTS
When you have a specialized operation, you need a specialized wheel loader to be productive. The following machine arrangements are available for the 972H:
Aggregate Yard Loaders
The Yard Loader Value Package provides the ultimate in productivity and convenience. Options such as Autolube, Aggregate Autodig, Payload Control and Ride Control reduce operator fatigue and make your wheel loader the most productive yard loader available.
Heavy duty guarding and special features designed specifically for industrial applications, such as waste and scrap handling, allow the 972H to withstand the harshest of conditions. Work tools designed specifically for these applications can be added to the machine.
High lift arrangements are available for applications requiring additional dump clearance. Both 2-valve and 3-valve packages can be factory installed for conventional and Command Control machines.
WORK TOOLS AND QUICK COUPLERS
A variety of buckets, work tools and couplers are available from the factory or from your Caterpillar dealer to customize the 972H for your operation.
Quick couplers provide unmatched versatility for wheel loaders. Buckets and work tools can be changed in seconds without leaving the cab for maximum productivity.
General Purpose Buckets
General purpose buckets provide good all-around performance for stockpiling, rehandling, excavating and bank loading. A heavy duty general purpose bucket can be used for more aggressive applications.
Rock buckets are designed for face or bank loading in mining or quarry applications. The straight-edge rock bucket provides higher breakout force and increased dump clearance. The spade-edge rock bucket offers increased penetration in certain applications.
Material Handling Buckets
The material handling bucket is a flat-floor bucket used for handling stockpiled materials such as aggregates or other easy-to-load materials requiring moderate breakout force.
Waste buckets are designed for long life in the harsh world of refuse applications. This high-capacity bucket is well-suited for loading, sorting and other transfer station work.
Heavy Duty Quarry Buckets
The heavy duty quarry bucket is available for high-impact or high-abrasion quarry applications.
Coal buckets maximize productivity in loading and stockpiling coal and other materials of similar density.
Woodchip and Clean-Up Buckets
Woodchip and clean-up buckets are available for forestry and millyard applications.
Multi-Purpose Buckets have a unique four-way action that can load, strip topsoil, bulldoze, clamp pipe or large chunks of concrete, clean up debris, and many other tasks.
Side Dump Buckets
Side Dump Buckets dump both to the front and to the side of the machine, an advantage when working in tight quarters, such as street work, tunnel construction and building levees.
Logging, millyard and pallet forks are available for forestry and material handling applications.
Loader Rakes are durable, high-capacity tools for land clearing and site clean up. Rakes are available with or without top clamps and in quick coupler and pin-on models.
Material Handling Arms
Material Handling Arms move pipe, concrete blocks, highway dividers and other construction materials quickly and precisely.
Ground Engaging Tools (GET)
Several GET options are available from Caterpillar for the 972H buckets. A cast corner adapter is incorporated into the design of the buckets that allows a tooth to be placed on the extreme corner for protection against base bucket wear. Reversible bolt-on cutting edges (BOCE) and a bolt-on half-arrow cutting edge are also available for the 972H buckets. The Cat K-Series™ tooth system features an easier-to-install tip and provides very secure tooth retention. No special tools are required for installation and removal.
The 972H maintains the distinction of offering the largest, most ergonomic cab in its class.
The Cat C-500 Series Comfort air suspension seat, standard in the 972H, is built strong and durable and is 6-way adjustable to accommodate all-sized operators. The cast one-piece back and seat pan prevent protrusions under the cushions. The seat features an automotive-style lumbar support for maximum comfort. The right hand armrest with integrated implement controls adjusts for comfortable, convenient operation. A heated seat option is available for additional comfort.
The 972H offers excellent visibility to both the front and rear of the machine. Distortion-free flat glass stretches to the floor of the cab for excellent visibility to the bucket. Wet-arm wipers on both front and back keep the windows clean in any condition. The cab roof has channels that direct rain off the corners of the cab keeping windows clear. An overhang on all sides protects the operator from glare.
Windshield Cleaning Package
An optional windshield cleaning package provides additional steps and handrails to provide easy access for cleaning the front windows.
Rear Vision Camera
An optional rear vision camera is available to clearly monitor movement behind the wheel loader.
Optional lighting packages are available for roading or low-light applications. The optional High Intensity Discharge (HID) lights provide exceptional lighting for night work. A rotating beacon is available as a safety feature.
Caterpillar understands that wheel loaders work in some of the harshest environments. By controlling normal machine vibrations, operator efficiency and productivity are improved. From the ground up, the Cat 972H is designed with many features, both standard and optional, that reduce vibration.
The oscillating rear axle follows the contour of the ground while allowing the cab to stay steady.
The cab is attached to the frame with iso-mounts designed to reduce shock loads from the ground.
The articulation joint is equipped with two neutralizer valves that prevent frame-to-frame contact.
Cylinder dampening slows the bucket as it reaches the limits of travel, preventing machine jarring.
Ride Control is an option designed to reduce jolting and bouncing during load and carry operations. An accumulator acts as a shock absorber to reduce machine pitching and provide a smoother ride over rough terrain.
Electronically controlled, automatic kickouts prevent the jerking and bouncing associated with abrupt cylinder stops.
Air suspension seat-mounted implement controls reduce vertical vibrations that come up through the floor.
ENTRY AND EXIT
A ladder with self-cleaning steps keeps debris build-up to a minimum. The ladder is at a 5° forward incline for easy entry and exit. Platforms are wide allowing ease of movement to the front or rear of the machine. The main cab door opens a full 180° and latches in place to allow safe navigation to the rear of the machine. The right side door opens 10°, or completely for secondary exit simply by pulling a pin. A full-length ladder on the right side facilitates safe exit if needed.
The 972H offers a choice of steering systems to provide flexibility for your application.
The conventional steering configuration offers a low-effort hand metering unit hydraulic steering system. Load sensing steering directs power through the steering system only when needed. When not steering, more engine power is available to generate rimpull, breakout force, lift force, and results in reduced fuel consumption. The steering column tilts for maximum operator comfort.
Command Control Steering
Command Control Steering is a load-sensing system that links the steering wheel and frame angle positions to provide the proper amount of steering control. The speed the machine turns is proportional to the steering wheel position. Less than 6 lb (26 N) steering effort is required by the operator, regardless of conditions. Full machine articulation is accomplished with a ±70° turn of the wheel - versus two to three 360° turns of a conventional steering wheel. The Command Control Steering wheel contains the forward/neutral/reverse switch and the upshift/downshift button - allowing the left hand to remain on the steering wheel at all times. Implement controls are integrated into the right armrest so they move with the operator.
The main control panel on the 972H is located high on the right ROPS post - keeping everything within reach of the operator while maintaining visibility to the ground. Keeping all switches and controls conveniently placed allows better efficiency and improved productivity all while minimizing operator fatigue.
The optional Aggregate Autodig System provides smoother loading cycles and consistently full payloads without touching the controls - reducing operator fatigue.
Electronic monitoring systems track product health to avoid unscheduled costly repairs
Unsurpassed parts availability reduces downtime
Excellent resale value provided by genuine Cat quality, outstanding dealer service and unmatched dealer support programs
Caterpillar Financial Services and Cat dealers understand your business
Many manufacturers tout fuel consumption as one of the determining factors for machine acquisition, but fuel consumption is only part of the story. Productivity must also play a part in the decision. Even more importantly, how fuel consumption and productivity interact - fuel efficiency - should be considered.
ENGINE IDLE MANAGEMENT SYSTEM
The Engine Idle Management System (EIMS) maximizes fuel efficiency and provides flexibility in managing idle speeds for specific application requirements. Four idle control speeds are available.
Proper maintenance of your wheel loader can help control expenses and lower your owning and operating costs. The 972H provides unmatched serviceability by offering:
Hydraulic service center
Electric service center
Well-protected, easily visible sight gauges
Ground level maintenance points
Easy access to engine compartment
Ecology drains for simple and clean fluid drainage
Brake wear indicators for ease of inspection
Extended oil and filter change intervals
Airborne debris-resistant, swing-out grill provides more efficient airflow
Monitoring product health simplifies maintenance planning and reduces costs.
Caterpillar Monitoring System
The Caterpillar Monitoring System (CMS) tracks critical machine systems to alert the operator to potential need for service. Three levels of warning allow the operator to assess the situation more accurately.
With Product Link owners can collect and track multiple types of information - from machine location and service meter hours, to health and productivity information.
With a subscription to EquipmentManager information from Product Link can be transmitted to a computer. Return on equipment investment is optimized through maintenance management and improved uptime.
Machine Security System
Stolen equipment equates to lost production and increased costs. Eliminate machine theft and unauthorized usage with the Cat Machine Security System (MSS). MSS is integrated into the machine's electronic system and can protect most brands of equipment by requiring a uniquely coded key to start the machine.
Managing component life and machine availability decreases downtime while improving your productivity and efficiency. S•O•S Services can help you do that. Regular fluid sampling is used to track what is going on inside the equipment. Wear-related problems are predictable and easily and quickly repairable. Maintenance can be done according to your schedule, resulting in increased uptime and flexibility in maintenance and repair before failure.
Caterpillar provides an unsurpassed level of personalized service for your wheel loader. With parts distribution centers worldwide, most parts can be delivered in 24 hours. Easy access to parts reduces downtime.
Owning quality equipment is a very important factor in maintaining resale value. Caterpillar not only supplies quality equipment but also provides product and dealer support to maintain the reliability and durability of your machine.
Grouped service points and sight gauges for easy daily maintenance
Convenient access to engine compartment for excellent serviceability
Swing-out grill and cooling cores for easy cleaning
Electronic systems to monitor product health
HYDRAULIC SERVICE CENTER
Transmission oil and hydraulic filters are located in the Hydraulic Service Center, behind the hinged, right-side access ladder. The hydraulic oil tank can be drained from this location using the access port.
Hydraulic filter change interval at 500 hours
Transmission filter change interval at 1000 hours
ELECTRIC SERVICE CENTER
Batteries, relay panel and an optional tool box are conveniently located below the left-side access platform. The engine shutdown switch is housed with the relay panel. A compartment integrated into the access platform contains the hood tilt actuation switch, master switch and jump-start receptacle.
GROUND LEVEL GREASE POINTS
Grease fittings are grouped on the right side of the machine in two convenient locations - in a service compartment just below the right-side service platform, and a bank located just off the non-engine end frame. These locations facilitate easy lubrication of vital components located throughout the machine.
Reduce time spent on daily maintenance and downtime for unplanned repairs due to inadequate greasing with the optional Caterpillar Automatic Lubrication System. Precise lubrication of pins and bushings at specific intervals improves component wear and reduces ground contamination from excessive greasing.
REMOTE PRESSURE TAPS
Pressure taps for the steering and hydraulic systems, transmission (optional) and brakes are grouped behind an access panel just below the right-side service platform.
Sampling valves on the 972H allow quick access to engine, transmission and hydraulic oils for S•O•S analysis. Oil change intervals and other services can be optimized according to your work schedule, reducing downtime and managing expenses.
Well-protected, yet easily visible sight gauges for the transmission, hydraulic oil and radiator coolant allow easy daily checks while reducing the risk of contaminants entering the systems.
BRAKE WEAR INDICATORS
Axles are equipped with standard brake wear indicators, allowing a technician to easily determine when it is necessary to service the brakes.
ENGINE COMPARTMENT ACCESS
The non-metallic hood on the 972H has been redesigned and restyled from previous models. Side and top panels are stronger due to more robust reinforcement ribs - the change in contour also adds to rigidity of the hood.
A single mechanical lift cylinder with manual back-up opens the hood. The tilting hood provides excellent access to the engine compartment, and if necessary, the entire hood can be removed with the built-in lift points.
With the hood closed, quick checks of engine oil levels and the coolant sight gauge can be completed through the side service doors. Panels located behind the tires lift up and can be removed for additional access. Roading fenders hinge from the rear and swing out allowing easier access to the engine compartment.
Cooling system access for clean-out and maintenance is outstanding. The perforated and corrugated grill minimizes debris build-up and swings out for easy cleaning and access to the cooling cores. The full-width air conditioning condenser and oil cooler cores swing out 45° to allow easy cleaning of the rear radiator face. Access panels on either side of the radiator support structure provide access to the front face of the radiator and ATAAC cores for easy cleaning.
ELECTRIC PRIMING PUMP
An electric fuel priming pump located on the primary fuel filter base eliminates the need to pre-fill or manually prime filters after a change, eliminating engine contamination.
Engine, transmission and hydraulic oils can be easily drained with standard-equipment ecology drains. An axle oil ecology drain is optional.
The entire operator station can be removed in about 45 minutes and is easy to re-attach. Quick disconnects are used so no wires need to be cut and no refrigerant is lost. Cab cleaning is made easy with channels on the cab floor and no threshold at the door - the floor can be swept or mopped out easily.
WINDSHIELD CLEANING PACKAGE
An optional windshield cleaning package consists of two steps for the loader front frame, two additional handrails and a folding mirror. This package allows access to the entire front windshield for easy cleaning.
COMPLETE CUSTOMER SUPPORT
Cat field service technicians have the experience and tools necessary to service your loader on site. Technical experts at the dealership and Caterpillar can provide additional assistance to field service technicians as needed. When on-site repair isn't enough, Cat dealerships are fully equipped to service your loader quickly.