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938M Standard Equipment

POWER TRAIN
  • 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
    – Selective Catalyst Reduction
  • Coded start (requires secondary display)
  • Coolant protection to –34° C (–29° F)
  • Enclosed wet disc full hydraulic brakes
  • Fuel priming pump, automatic
  • Hydraulically driven demand cooling fan
  • Hydrostatic transmission with electronic control
    – Operator modes (Default, TC, Hystat, and Ice)
    – Directional Shift Aggressiveness (fast, medium, slow)
    – Rimpull control, adjust wheel torque
    – Creeper control, adjust ground speed
  • Parking brake, electric
  • Single plane cooling package wide six fins per inch density
  • Throttle lock and max speed limiter

HYDRAULICS
  • Automatic lift and bucket kickouts, adjustable in-cab
  • Bucket and fork modes, adjustable in-cab
  • Cylinder damping at kickout and mechanical end stops
  • Fine mode control (fast, medium, slow) in fork mode
  • Hydraulic response setting (fast, medium, slow)
  • Hydraulic diagnostic connectors and S·O·SSM ports
  • Load sensing hydraulics and steering

ELECTRICAL
  • Alternator, 115 amp, heavy duty
  • 12V power supply in cab (2)
  • Batteries, 1,000 CCA (2) 24V system, disconnect switch
  • Back-up alarm
  • Emergency shutdown switch
  • Halogen work and roading lights, LED rear tail lights
  • Product Link™ PRO with three year 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
  • External heated mirrors with lower parabolic
  • Hydraulic control lockout
  • Interior cab lighting, door and dome
  • Interior rearview mirrors (2)
  • Lunch box storage
  • Radio ready speakers
  • Rear window defrost, electric
  • Seat-mounted electronic implement controls, adjustable
  • Column mounted multi function control – lights, wipers, turn signal
  • Tilt and telescopic steering wheel
  • Tinted front glass
  • Wet arm wiper/washer, 2-speed and intermittent, front

OTHER STANDARD EQUIPMENT
  • Large-access enclosure doors with adjustable close/open force
  • Parallel lift loader linkage

EU STANDARD EQUIPMENT
  • Deluxe cab
  • Secondary display
  • Rearview camera

938M Optional Equipment

OPTIONAL EQUIPMENT
  • Autolube, integrated in secondary display
  • Auxiliary flow, third and fourth function, adjustable through secondary display
  • Beacon light, strobe
  • Cab, deluxe (standard in Europe, optional in North America)
    – Electrically adjustable external heated mirrors (2)
    – Secondary display to enable features and adjust parameters
    – Sunscreen, front and rear
  • Camera, rearview (standard in Europe)
  • Cold start package
  • Counterweight, (heavy and logger)
  • Coupler, (Fusion and ISO 23727)
  • Debris packages (low, medium, high)
  • Fenders (extended cover and full coverage)
  • Guarding (machine and operator)
  • Linkage, high lift
  • Lights, auxiliary, halogen or LED with engine and DEF compartment lights
  • Object Detection
  • Product Link ELITE with capabilities for software push, data logging, histogram and trend mapping
  • Radio packages
  • Ride Control System, adjustable through secondary display
  • Seats
    – Deluxe seat – fully adjustable fabric air suspension seat with mid backrest and mechanical lumbar support
    – Premium seat – fully adjustable leather and fabric air suspension with high backrest and air lumbar support. Seat is heated and ventilated on bottom cushion and backrest.
  • Steering
    – Dual mode and secondary
  • NOTE: Not all features are available in all regions.

Overview

The Cat® 938M Small Wheel Loader sets the standard for productivity, fuel efficiency and operator comfort. The improved optimized Z-bar loader linkage delivers the quick loading performance of a traditional Z-bar with the parallelism and load handling capability of a tool carrier. A high torque, low speed C7.1 engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards with an environmentally friendly, Clean Emission Module designed to manage itself so you can concentrate on your work. Experience the new industry benchmark.

Engine

Units:
Maximum Gross Power 173.0 HP 129.0 kW Less
Displacement (Standard Power Mode: Speed Range 1-3*) 427.0 in³ 7.01 l Less
Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600.0 r/min 1600.0 r/min Less
Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 183.0 HP 137.0 kW Less
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 642.0 ft·lbf 870.0 N·m Less
Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) 176.0 HP 131.0 kW Less
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) 649.0 ft·lbf 880.0 N·m Less
Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) 173.0 HP 129.0 kW Less
Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 172.0 HP 128.0 kW Less
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 627.0 ft·lbf 850.0 N·m Less
Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186.0 HP 139.0 kW Less
Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800.0 r/min 1800.0 r/min Less
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 664.0 ft·lbf 900.0 N·m Less
Displacement (Performance Power Mode: Speed Range 1-4) 427.0 in³ 7.01 l Less
Note (1) 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. Less
Engine Model Cat C7.1 ACERT** Cat C7.1 ACERT** Less
Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170.0 HP 127.0 kW Less
Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) 188.0 HP 140.0 kW Less
Note (2) *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. Less
Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) 190.0 HP 142.0 kW Less
Note (3) **The Cat C7.1 ACERT engine meets Tier 4 Final/Stage V off-highway emission standards. **The Cat C7.1 ACERT engine meets Tier 4 Final/Stage V off-highway emission standards. Less
Rated Net Power - 1,600 rpm - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170.0 HP 127.0 kW Less
Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) 628.0 ft·lbf 852.0 N·m Less
Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184.0 HP 137.0 kW Less
Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) 650.0 ft·lbf 882.0 N·m Less

Buckets

Bucket Capacities 2.5-5.0 m³ (3.2-6.5 yd³) 2.5-5.0 m³ (3.2-6.5 yd³) Less
Bucket Capacities - Light Material 3.1-5.0 m³ (4.0-6.5 yd³) 3.1-5.0 m³ (4.0-6.5 yd³) Less
Bucket Capacities - General Purpose 2.5-3.2 m³ (3.2-4.2 yd³) 2.5-3.2 m³ (3.2-4.2 yd³) Less

Weights

Operating Weight 35778.0 lb 16229.0 kg Less

Cab

ROPS ISO 3471:2008 ISO 3471:2008 Less
FOPS ISO 3449:2008 Level II ISO 3449:2008 Level II Less
Note (3) *The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. *The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. Less
Note (1) Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. Less
Note (2) The declared dynamic operator sound pressure levels per ISO 6396:2008*, when properly installed and maintained, are:
– Standard cab: 68 ±3 dB(A)
– Deluxe cab: 66 ±2 dB(A)
The declared dynamic operator sound pressure levels per ISO 6396:2008*, when properly installed and maintained, are:
– Standard cab: 68 ±3 dB(A)
– Deluxe cab: 66 ±2 dB(A)
Less

Service Refill Capacities

Transmission - Gear Box 2.9 gal (US) 11.0 l Less
Engine Crankcase 5.3 gal (US) 20.0 l Less
Hydraulic System - Including Tank 44.9 gal (US) 170.0 l Less
Rear Axles 9.2 gal (US) 35.0 l Less
Front Axles 9.2 gal (US) 35.0 l Less
Diesel Exhaust Fluid (DEF) Tank 5.0 gal (US) 19.0 l Less
Note DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. Less
Hydraulic Tank 23.8 gal (US) 90.0 l Less
Fuel Tank 51.5 gal (US) 195.0 l Less
Cooling System 7.9 gal (US) 32.0 l Less

Loader Hydraulic System

Note (1) *3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display, when equipped. *3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display, when equipped. Less
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift 5.5 s 5.5 s Less
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time 9.7 s 9.7 s Less
Relief Pressure - Tilt Cylinder 4351.0 psi 30000.0 kPa Less
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time 10.6 s 10.6 s Less
Maximum Working Pressure - Implement Pump 4061.0 psi 28000.0 kPa Less
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 4061.0 psi 28000.0 kPa Less
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height 1.7 s 1.7 s Less
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height 1.5 s 1.5 s Less
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift 6.2 s 6.2 s Less
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level 2.7 s 2.7 s Less
Maximum Flow - Implement Pump - 4th Function Maximum Flow* 42.0 gal/min 160.0 l/min Less
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 4351.0 psi 30000.0 kPa Less
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level 2.7 s 2.7 s Less
Maximum Flow - Implement Pump 50.0 gal/min 190.0 l/min Less
Maximum Flow - Implement Pump - 3rd Function Maximum Flow* 50.0 gal/min 190.0 l/min Less

Steering

Maximum Working Pressure - Steering Pump 3500.0 psi 24130.0 kPa Less
Steering Articulation Angle - Each Direction 40° 40° Less
Maximum Flow - Steering Pump 34.0 gal/min 130.0 l/min Less
Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left 3.3 turns 3.3 turns Less
Maximum Steering Torque - 0° (Straight Machine) 42506.0 ft·lbf 57630.0 N·m Less
Maximum Steering Torque - 40° (Full Turn) 31398.0 ft·lbf 42570.0 N·m Less
Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed 2.3 s 2.3 s Less

Transmission

Forward and Reverse - Range 3 17.0 mile/h 27.0 km/h Less
Forward and Reverse - Range 4 25.0 mile/h 40.0 km/h Less
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). Less
Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph) 1-13 km/h (0.6-8 mph) Less
Forward and Reverse - Range 2 8.0 mile/h 13.0 km/h Less

Sound

Note (1) European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” Less
Average Exterior Sound Pressure (ISO 6395:2008) 101.0 dB(A) 101.0 dB(A) Less
Operator Sound Pressure (ISO 6396:2008) 72.0 dB(A) 72.0 dB(A) Less

Tires

Note (1) Other tire choices are available. Contact your Cat dealer for details. Other tire choices are available. Contact your Cat dealer for details. Less
Standard Size 20.5 R25, radial (L-3) 20.5 R25, radial (L-3) Less
Note (2) In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities. In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities. Less
Other Choices Include 20.5 R25, radial (L-2); 20.5 R25, radial (L-5); 20.5-25 12PR (L-2); 20.5-25 12PR (L-3); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 650/65 R25 radial (L-3); Skidder/Agriculture; Solid Tires 20.5 R25, radial (L-2); 20.5 R25, radial (L-5); 20.5-25 12PR (L-2); 20.5-25 12PR (L-3); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 650/65 R25 radial (L-3); Skidder/Agriculture; Solid Tires Less
Note (3) Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. Less

Axles

Rear Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional) Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional) Less
Front Fixed; Locking differential (standard) Fixed; Locking differential (standard) Less

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. Less

Efficiently Powerful

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Enjoy All Day Comfort

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Configured for Success

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Small Wheel Loader Attachment Options

Cat small wheel loader attachment options let you get more out of your machines. Browse our attachment offerings to find the ones that are right for your business.

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Small Wheel Loader Parts Reference Guides

Download Cat® Parts Reference Guides for M Series, K Series and H Series Small Wheel Loaders.

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