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938M

Small Wheel Loaders

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 ACERT engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. Meets Tier 4 Final/Stage V 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.

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Maximum Gross Power 140 kW

Displacement (Standard Power Mode: Speed Range 1-3*) 7.01 l

Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600 r/min

Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 137 kW

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938M

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OVERVIEW

Configured for Success

FEATURES & BENEFITS

Efficiently Powerful

The Cat® C7.1 engine provides cleaner, quieter operation while delivering superior performance and durability through a high torque, low speed design. Caterpillar's exclu... Read more

Work Made Easy

OPTIMIZED Z-BAR LINKAGEThe optimized Z-bar linkage combines the digging efficiency of a traditional Z-bar with integrated tool carrier capabilities for great performance... Read more

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 pie... Read more

Customize Your Experience

The M Series Wheel Loaders 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 yo... Read more

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 ord... Read more

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 busines... Read more

Sustainability

The Cat® C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards.Engine Idle Management System (EIMS) helps maximize fuel efficiency and r... Read more

SPECIFICATIONS FOR 938M

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Engine

Maximum Gross Power	140 kW
Displacement (Standard Power Mode: Speed Range 1-3*)	7.01 l
Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)	1600 r/min
Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)	137 kW
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)	870 N·m
Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*)	176 mhp
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4)	880 N·m
Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4)	140 kW
Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)	172 mhp
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)	850 N·m
Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4)	186 mhp
Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)	1800 r/min
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)	900 N·m
Displacement (Performance Power Mode: Speed Range 1-4)	7.01 l
Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4)	190 mhp
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.
Engine Model	Cat C7.1 ACERT**
Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)	127 kW
Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*)	129 kW
Note (2)	*Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
Note (3)	**The Cat C7.1 ACERT engine meets Tier 4 Final/Stage V off-highway emission standards.
Rated Net Power - 1,600 rpm - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)	127 kW
Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*)	852 N·m
Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4)	137 kW
Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4)	882 N·m

Buckets

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

Weights

Operating Weight

16229 kg

Cab

ROPS	ISO 3471:2008
FOPS	ISO 3449:2008 Level II
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.
Note (1)	Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
Note (2)	The declared dynamic operator sound pressure levels per ISO 6396:2008*, when properly installed and maintained, are:<br>– Standard cab: 68 ±3 dB(A)<br>– Deluxe cab: 66 ±2 dB(A)

Service Refill Capacities

Transmission - Gear Box	11 l
Engine Crankcase	20 l
Hydraulic System - Including Tank	170 l
Rear Axles	35 l
Front Axles	35 l
Diesel Exhaust Fluid (DEF) Tank	19 l
Note	DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1.
Hydraulic Tank	90 l
Fuel Tank	195 l
Cooling System	32 l

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.
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift	5.5 s
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time	9.7 s
Relief Pressure - Tilt Cylinder	30000 kPa
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time	10.6 s
Maximum Working Pressure - Implement Pump	28000 kPa
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure	28000 kPa
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height	1.7 s
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height	1.5 s
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift	6.2 s
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level	2.7 s
Maximum Flow - Implement Pump - 4th Function Maximum Flow*	160 l/min
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure	30000 kPa
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level	2.7 s
Maximum Flow - Implement Pump	190 l/min
Maximum Flow - Implement Pump - 3rd Function Maximum Flow*	190 l/min

Steering

Maximum Working Pressure - Steering Pump	24130 kPa
Steering Articulation Angle - Each Direction	40°
Maximum Flow - Steering Pump	130 l/min
Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left	3.3 turns
Maximum Steering Torque - 0° (Straight Machine)	57630 N·m
Maximum Steering Torque - 40° (Full Turn)	42570 N·m
Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed	2.3 s

Transmission

Forward and Reverse - Range 3	27 km/h
Forward and Reverse - Range 4	40 km/h
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).
Forward and Reverse - Range 1*	1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2	13 km/h

Sound

Note (1)	European Union Directive “2000/14/EC”
Average Exterior Sound Pressure (ISO 6395:2008)	101 dB(A)
Operator Sound Pressure (ISO 6396:2008)	72 dB(A)

Tires

Note (1)	Other tire choices are available. Contact your Cat dealer for details.
Standard Size	20.5 R25, radial (L-3)
Note (2)	In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.
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
Note (3)	Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.

Axles

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

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.