938M Aggregate Handler
Specifications
Overview
The Cat® 938M Aggregate Handler sets a new standard for productivity, fuel efficiency and comfort. A high torque, low speed C7.1 engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. The optimized Z-bar loader linkage combined with long wear life Performance Series buckets delivers improved payloads and bucket longevity. Extremely low sound levels, large spacious cab and intuitive controls keep you working comfortably all day and even all night! Experience this industry benchmark.
| Maximum Gross Power | 188.0 HP 140.0 kW | More |
| Bore | 4.0 in 105.0 mm | More |
| Stroke | 5.0 in 135.0 mm | More |
| Displacement | 427.0 in³ 7.01 l | More |
| Engine Model | Cat® C7.1 ACERT™ Cat® C7.1 ACERT™ | More |
| Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) | 190.0 HP 140.0 kW | More |
| Rated Net Power | 182.0 HP 136.0 kW | More |
| Maximum Rated Gross Power - ISO 14396 | 188.0 HP 140.0 kW | More |
| Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | 182.0 HP 136.0 kW | More |
| Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) | 188.0 HP 140.0 kW | More |
| Maximum Rated Gross Power - ISO 14396 (DIN) | 190.0 HP 140.0 kW | More |
| Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | 184.0 HP 137.0 kW | More |
| Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) | 1800.0 r/min 1800.0 r/min | More |
| Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) | 648.0 ft·lbf 879.0 N·m | More |
| Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) | 173.0 HP 129.0 kW | More |
| Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | 168.0 HP 125.0 kW | More |
| Note (4) | Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test). Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test). | More |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | 171.0 HP 126.0 kW | More |
| Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) | 186.0 HP 137.0 kW | More |
| Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) | 648.0 ft·lbf 879.0 N·m | More |
| Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) | 628.0 ft·lbf 852.0 N·m | More |
| Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) | 628.0 ft·lbf 852.0 N·m | More |
| Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | 169.0 HP 126.0 kW | More |
| Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) | 1600.0 r/min 1600.0 r/min | More |
| Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) | 175.0 HP 129.0 kW | More |
| Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) | 621.0 ft·lbf 843.0 N·m | More |
| Note (3) | No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems. No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems. | More |
| Note (1) | * Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. * Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. | More |
| Note (2) | Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed. Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed. | More |
| Emissions | Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards. Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards. | More |
| Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) | 621.0 ft·lbf 843.0 N·m | More |
Buckets
| Bucket Capacities | 2.9-3.2 m3 (3.8-4.2 yd3) 2.9-3.2 m3 (3.8-4.2 yd3) | More |
Weights
| Operating Weight | 36075.0 lb 16368.0 kg | More |
Cab
| ROPS | ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II | More |
| Note (2) | The Blue Angel environmental label is an optional attachment for Europe only. The Blue Angel environmental label is an optional attachment for Europe only. | More |
| Note (1) | * Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows closed. * Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows closed. | More |
| Declared Sound Levels | – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)* – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)* | More |
Loader Hydraulic System
| Relief Pressure - Tilt Cylinder - 3rd Function Relief Pressure | 4351.0 psi 30000.0 kPa | More |
| Note (1) | Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder. Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder. | More |
| Tilt Cylinder, Double Acting - Bore Diameter | 5.9 in 150.0 mm | More |
| Relief Pressure - Tilt Cylinder | 4351.0 psi 30000.0 kPa | More |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Dump (at Maximum Lift Height) | 1.5/1.7 seconds 1.5/1.7 seconds | More |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time | 9.7/10.6 seconds 9.7/10.6 seconds | More |
| Tilt Cylinder, Double Acting - Rod Diameter | 3.5 in 90.0 mm | More |
| Maximum Flow - Implement Pump | 50.0 gal/min 190.0 l/min | More |
| Note (2) | Flow values listed are for a machine running in Performance Power Mode (1,800 rpm) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm) | More |
| Tilt Cylinder, Double Acting - Stroke | 21.9 in 555.0 mm | More |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Raise (Ground Level to Maximum Lift) | 5.5/6.2 seconds 5.5/6.2 seconds | More |
| Maximum Flow - Implement Pump - 3rd Function* | 50.0 gal/min 190.0 l/min | More |
| Note (3) | * 3rd function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. * 3rd function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. | More |
| Lift Cylinder, Double Acting - Stroke | 31.1 in 789.0 mm | More |
| Maximum Working Pressure - Implement Pump | 4061.0 psi 28000.0 kPa | More |
| Lift Cylinder, Double Acting - Bore Diameter | 4.7 in 120.0 mm | More |
| Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Float Down (Maximum Lift to Ground Level) | 2.7/2.7 seconds 2.7/2.7 seconds | More |
| Lift Cylinder, Double Acting - Rod Diameter | 2.6 in 65.0 mm | More |
| Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure | 4061.0 psi 28000.0 kPa | More |
Steering
| Maximum Flow - Steering Pump | 34.0 gal/min 130.0 l/min | More |
| Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited | 3.1 s 3.1 s | More |
| Maximum Steering Torque - 40° (Full Turn) | 31398.0 ft·lbf 42570.0 N·m | More |
| Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed | 2.3 s 2.3 s | More |
| Maximum Steering Torque - 0° (Straight Machine) | 42506.0 ft·lbf 57630.0 N·m | More |
| Steering Cylinder, Double Acting - Bore Diameter | 3.1 in 80.0 mm | More |
| Steering Cylinder, Double Acting - Rod Diameter | 2.0 in 50.0 mm | More |
| Steering Cylinder, Double Acting - Stroke | 15.7 in 399.0 mm | More |
| Note (1) | Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. | More |
| Maximum Working Pressure - Steering Pump | 3500.0 psi 24130.0 kPa | More |
| Note (2) | Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). | More |
Service Refill Capacities
| Rear Axles | 9.2 gal (US) 35.0 l | More |
| Hydraulic System - Including Tank | 44.9 gal (US) 170.0 l | More |
| Hydraulic Tank | 23.8 gal (US) 90.0 l | More |
| Diesel Exhaust Fluid (DEF) Tank | 5.0 gal (US) 19.0 l | More |
| Engine Crankcase | 5.3 gal (US) 20.0 l | More |
| Cooling System | 8.5 gal (US) 32.0 l | More |
| Front Axles | 9.2 gal (US) 35.0 l | More |
| Transmission - Gear Box | 2.9 gal (US) 11.0 l | More |
| Fuel Tank | 51.5 gal (US) 195.0 l | More |
Power Train
| Brakes - Parking | Spring applied hydraulically released Spring applied hydraulically released | More |
| Rear Axle - Traction Aid - Optional | Limited slip differential Limited slip differential | More |
| Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 | ± 7 degrees ± 7 degrees | More |
| Rear Axle | Oscillating Oscillating | More |
| Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 | ± 10.5 degrees ± 10.5 degrees | More |
| Note (2) | Offset rims available to meet European roading requirements. Offset rims available to meet European roading requirements. | More |
| Note (1) | Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. | More |
| Brakes - Service | Outboard wet disc Outboard wet disc | More |
| Note (3) | **Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M. **Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M. | More |
| Front Axle | Fixed Fixed | More |
| Front Axle - Traction Aid** | Locking differential (standard) Locking differential (standard) | More |
Operating Specifications
| Full Turn Tip Load | 23466.0 lb 10647.0 kg | More |
Transmission
| Forward and Reverse - Range 4 | 25.0 mile/h 40.0 km/h | More |
| Note | * Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph). * Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph). | More |
| Forward and Reverse - Range 1* | 1-13 km/h (0.6-8 mph) 1-13 km/h (0.6-8 mph) | More |
| Forward and Reverse - Range 2 | 8.0 mile/h 13.0 km/h | More |
| Forward and Reverse - Range 3 | 17.0 mile/h 27.0 km/h | More |
Benefits & Features
Application Specific Configuration
INCREASED PAYLOAD
Additional counterweight improves stability without reducing ground clearance or departure angle to maximize performance.
LONG LIFE SAND AND GRAVEL BUCKETS
Performance Series Buckets deliver higher fill factors and better material retention for significant productivity and fuel efficiency improvements. The buckets feature a long floor, open throat, curved side bars and additional serviceable wear plates including corner guards.
PROTECT YOUR POWER TRAIN
Increase your fording depths with optional elevated breathers. Remote mounted high on the machine for the front and rear axles and hydrostatic gear box. Allows settling pond clean out without contamination.
Enjoy All Day Comfort
A spacious, quiet and comfortable operator environment helps keep you relaxed and productive throughout the day. Experience superior all around visibility with single piece front windshield, redesigned linkage and clean hydraulic lines routing. Seat-mounted controls featuring low effort joystick for lift and tilt functions along with integrated Forward/Neutral/Reverse switch, differential lock trigger and optional third and fourth auxiliary functions.
- Automatic climate control with heated rear glass and external mirrors
- Information at a glance with large primary LCD display
- Heated and cooled seat option
- Optional Ride Control
- Exclusive electro-hydraulic cylinder snubbing
- An extra eye on the job site with optional integrated rear object detection and optional* rearview camera
Customize Your Experience
The M Series Aggregate Handler will remember you and your personal settings with unique operator codes to make this machine truly yours and keep it secure.
Work as one with your machine by customizing your controls.
Service
Get up and running quickly with ground level, daily service access and optional engine compartment lighting. Three large service doors can be opened and closed in any order to give full access to filters and service points. Extended service intervals on hydraulic and power train filters reduce service time and maximize uptime. Additional service features include:
- Product Link™ PRO standard with optional subscription to VisionLink®.
- Maintenance reminders through secondary display at scheduled intervals.
- Fit for Life Diesel Particulate Filter that is designed to exceed the engine overhaul life.
- Quick fuel filter service with Caterpillar's exclusive electric fuel priming pump.
- Jump start studs as standard equipment.
- Extended cleanouts with single plane cooling system and wide spaced 6 fans per inch coolers as standard.
- Integrated Autolube (optional) with adjustable greasing frequency.
Customer Support
With renowned Cat dealer support, rely on your Cat dealer to help you every step of the way with new or used machine sales, rental or rebuild options to meet your business needs.
Maximize your machine uptime with unsurpassed worldwide parts availability, trained technicians and customer support agreements.
Let us earn your business. Experience an M Series Small Wheel Loader and join the Caterpillar family.
Equipment
938M Aggregate Handler Standard Equipment
POWER TRAIN
- Axle seal guards
- Auto idle shut down feature
- Cat C7.1 ACERT engine: – Power Modes (Standard and Performance) – Power by Range (High Power in Range 4) – Turbocharged and aftercooled – Filtered crankcase breather – Diesel particulate filter (Fit for Life)
- Coolant protection to –34° C (–29° F)
- Differential lock in front axle
- Dry type air cleaner
- Enclosed wet disc full hydraulic brakes
- Fuel priming pump, automatic
- Fuel water separator
- Hydraulically driven demand cooling fan
- Intelligent hydrostatic transmission: – Power train modes – Directional Shift Aggressiveness – Rimpull control, adjust wheel torque – Creeper control, adjust ground speed
- Lubed for life driveshafts
- Parking brake, electric
- Wide spaced 6 fins per inch cooling package
- S·O·SSM sampling ports
- Throttle lock and maximum speed limiter
HYDRAULICS
- Automatic lift, lower and tilt kickouts
- Bucket and Fork Modes, adjustable in-cab
- Cylinder damping at kickout and end stops
- Fine Mode control in Fork Mode
- Hydraulic Response setting
- Load sensing hydraulics and steering
- Seat-mounted hydraulic joystick controls
ELECTRICAL
- Alternator, 115-amp, heavy duty
- 12V power supply in cab (2)
- Batteries, 1,000 CCA (2) 24 volt system
- Back-up alarm
- Emergency shutdown switch
- Heavy duty gear reduction starter
- Product Link PRO with subscription
- Remote jump start post
- Resettable main and critical function breakers
OPERATOR ENVIRONMENT
- 75 mm (3 in) retractable seat belt, with audible alarm and indicator
- Automatic temperature control
- Cab, enclosed and pressurized
- Cup holders
- External heated mirrors with lower parabolic
- Ground level cab door release
- Gauges: – Digital hour meter, odometer, tachometer, ground speed and direction indicator – Engine coolant temperature gauge – Fuel and Diesel Exhaust Fluid level – Hydraulic oil temperature gauge
- Hydraulic control lockout
- Interior cab lighting, door and dome
- Interior rearview mirrors (2)
- Lunch box storage
- Operator warning system indicators
- Radio ready speakers
- Rear window defrost, electric
- Seat-mounted controls, adjustable
- Sliding glass on the side windows
- Column mounted multi function control – lights, wipers, turn signal
- Suspension seat, fabric
- Tilt and telescopic steering wheel
- Wet arm wiper/washer, front and rear
OTHER STANDARD EQUIPMENT
- Large-access enclosure doors
- Parallel lift loader linkage
- Recovery hitch with pin
- Remote mounted lubrication points
- Lockable compartments and enclosures
938M Aggregate Handler Optional Equipment
Cab, deluxe (standard in Europe):
- Automatic blower control
- Electrically adjustable heated mirrors (2)
- LED interior lighting
- Secondary display to adjust settings
Cold start package:
- Ether starting aid, block heater and additional batteries 1,000 CCA (4 in total)
Guards
- Power train, (lower, side, driveshaft and crankcase)
- Windshield and lights
- Cylinders, tilt and steering
Radio packages:
- Radio ready with Bluetooth
- Radio, AM/FM with Bluetooth and clock
- Radio, AM/FM with CD player deluxe, weatherband, Bluetooth and clock
Seats:
- Deluxe seat – fully adjustable fabric air suspension seat with high seat backrest
- Premium seat – fully adjustable leather and fabric air suspension with high backrest and air lumbar support. Heated and cooled bottom cushion and backrest.
Steering:
- Dual mode and Secondary
Tires:
- Bias ply, 17.5, 20.5-25
- Radial, 17.5, 20.5, 23.5, 550/65, 600/65, 650/65 R25
Related Products
Attachments
Find the right attachments to fit this machine.
FindFlat Floor Buckets - Performance Series
General Purpose Buckets - Performance Series
1.9 m3 (2.5 yd3), Fusion™ Coupler
1.9 m3 (2.5 yd3), Fusion™ Coupler, Bolt-On Cutting Edge
2.1 m3 (2.7 yd3), Fusion™ Coupler
2.1 m3 (2.7 yd3), Fusion™ Coupler, Bolt-On Cutting Edge
2.3 m3 (3.0 yd3), Fusion™ Coupler
2.3 m3 (3.0 yd3), Fusion™ Coupler, Bolt-On Cutting Edge
2.5 m3 (3.2 yd3), Fusion™ Coupler
2.5 m3 (3.2 yd3), Fusion™ Coupler
2.5 m3 (3.2 yd3), Fusion™ Coupler, Bolt-On Cutting Edge
2.5 m3 (3.2 yd3), Pin On
2.5 m3 (3.2 yd3), Pin On
2.5 m3 (3.2 yd3), Pin On, Bolt-On Cutting Edge
2.7 m3 (3.5 yd3), Fusion™ Coupler
2.7 m3 (3.5 yd3), Fusion™ Coupler
2.7 m3 (3.5 yd3), Fusion™ Coupler, Bolt-On Cutting Edge
2.7 m3 (3.5 yd3), Pin On
2.7 m3 (3.5 yd3), Pin On
2.7 m3 (3.5 yd3), Pin On, Bolt-On Cutting Edge
2.9 m3 (3.8 yd3), Fusion™ Coupler
2.9 m3 (3.8 yd3), Fusion™ Coupler, Bolt-On Cutting Edge
2.9 m3 (3.8 yd3), Pin On
2.9 m3 (3.8 yd3), Pin On, Bolt-On Cutting Edge
High Dump Buckets
Light Material Buckets
3.5 m3 (4.5 yd3), Fusion™
3.5 m3 (4.5 yd3), Fusion™, Bolt-On Cutting Edge
3.5 m3 (4.5 yd3), Pin On
3.5 m3 (4.5 yd3), Pin On, Bolt-On Cutting Edge
3.8 m3 (5.0 yd3), Fusion™
3.8 m3 (5.0 yd3), Fusion™, Bolt-On Cutting Edge
3.8 m3 (5.0 yd3), Pin On
3.8 m3 (5.0 yd3), Pin On, Bolt-On Cutting Edge
4.2 m3 (5.5 yd3), Fusion™
4.2 m3 (5.5 yd3), Fusion™, Bolt-On Cutting Edge
4.2 m3 (5.5 yd3), Pin On
4.2 m3 (5.5 yd3), Pin On, Bolt-On Cutting Edge
5.0 m3 (6.5 yd3), Fusion™
5.0 m3 (6.5 yd3), Fusion™, Bolt-On Cutting Edge
5.0 m3 (6.5 yd3), Pin On
5.0 m3 (6.5 yd3), Pin On
5.0 m3 (6.5 yd3), Pin On, Bolt-On Cutting Edge
5.0 m3 (6.5 yd3), Pin On, Bolt-On Cutting Edge
Multi-Purpose Buckets
Sand & Gravel Buckets
2.5 m3 (3.2 yd3), Fusion™, Bolt-On Cutting Edge
2.7 m3 (3.5 yd3), Fusion™, Bolt-On Cutting Edge
2.7 m3 (3.5 yd3), Pin On, Bolt-On Cutting Edge
2.9 m3 (3.8 yd3), Fusion™, Bolt-On Cutting Edge
2.9 m3 (3.8 yd3), Pin On, Bolt-On Cutting Edge
3.2 m3 (4.2 yd3), Fusion™, Bolt-On Cutting Edge
3.2 m3 (4.2 yd3), Pin On, Bolt-On Cutting Edge
Log & Lumber Fork Carriages
Straight Snow Pushes
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