938M Small Wheel Loader

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938M Small Wheel Loader

At a glance data:

Maximum Gross Power:

188hp

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

427in³

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

1600r/min

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

183hp

Print 938M Product Brochure 926M, 930M, 938M Product Brochure Small Wheel Loader Attachments Brochure Retrofit Options and Accessories for Small Wheel Loaders

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 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.

Engine

Maximum Gross Power:

188hp

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

427in³

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

1600r/min

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

183hp

Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*):

642ft·lbf

Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*):

176mhp

Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4):

649ft·lbf

Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4):

188hp

Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*):

172mhp

Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*):

627ft·lbf

Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4):

186mhp

Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4):

1800r/min

Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4):

664ft·lbf

Displacement (Performance Power Mode: Speed Range 1-4):

427in³

Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4):

190mhp

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*):

170hp

Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*):

173hp

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*):

170hp

Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*):

628ft·lbf

Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4):

184hp

Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4):

650ft·lbf

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:

35778lb

Cab

ROPS:

ISO 3471:2008

FOPS:

ISO 3449:2008 Level II

Service Refill Capacities

Transmission - Gear Box:

2.9gal (US)

Engine Crankcase:

5.3gal (US)

Cab

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.

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:

5.5s

Steering

Maximum Working Pressure - Steering Pump:

3500psi

Transmission

Forward and Reverse - Range 3:

17mile/h

Loader Hydraulic System

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time:

9.7s

Steering

Steering Articulation Angle - Each Direction:

40°

Sound

Note (1):

European Union Directive “2000/14/EC”

Service Refill Capacities

Hydraulic System - Including Tank:

44.9gal (US)

Rear Axles:

9.2gal (US)

Loader Hydraulic System

Relief Pressure - Tilt Cylinder:

4351psi

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time:

10.6s

Service Refill Capacities

Front Axles:

9.2gal (US)

Steering

Maximum Flow - Steering Pump:

34gal/min

Loader Hydraulic System

Maximum Working Pressure - Implement Pump:

4061psi

Tires

Note (1):

Other tire choices are available. Contact your Cat dealer for details.

Loader Hydraulic System

Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure:

4061psi

Tires

Standard Size:

20.5 R25, radial (L-3)

Loader Hydraulic System

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height:

1.7s

Steering

Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left:

3.3turns

Loader Hydraulic System

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height:

1.5s

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift:

6.2s

Tires

Note (2):

In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.

Loader Hydraulic System

Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level:

2.7s

Maximum Flow - Implement Pump - 4th Function Maximum Flow*:

42gal/min

Transmission

Forward and Reverse - Range 4:

25mile/h

Service Refill Capacities

Diesel Exhaust Fluid (DEF) Tank:

5gal (US)

Loader Hydraulic System

Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure:

4351psi

Service Refill Capacities

Note:

DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1.

Axles

Rear:

Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional)

Front:

Fixed; Locking differential (standard)

Steering

Maximum Steering Torque - 0° (Straight Machine):

42506ft·lbf

Transmission

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).

Loader Hydraulic System

Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level:

2.7s

Tires

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

Service Refill Capacities

Hydraulic Tank:

23.8gal (US)

Cab

Note (1):

Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.

Service Refill Capacities

Fuel Tank:

51.5gal (US)

Steering

Maximum Steering Torque - 40° (Full Turn):

31398ft·lbf

Service Refill Capacities

Cooling System:

7.9gal (US)

Transmission

Forward and Reverse - Range 1*:

1-13 km/h (0.6-8 mph)

Tires

Note (3):

Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.

Loader Hydraulic System

Maximum Flow - Implement Pump:

50gal/min

Steering

Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed:

2.3s

Transmission

Forward and Reverse - Range 2:

8mile/h

Cab

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)

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.

Sound

Average Exterior Sound Pressure (ISO 6395:2008):

101dB(A)

Operator Sound Pressure (ISO 6396:2008):

72dB(A)

Loader Hydraulic System

Maximum Flow - Implement Pump - 3rd Function Maximum Flow*:

50gal/min

Sustainability

Recyclability:

94%

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

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.