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938M 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
    – 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 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, 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 Optional Equipment

OPTIONAL EQUIPMENT
  • Antifreeze/coolant, extended-life
  • Auto lube, integrated in secondary display
  • Auxiliary flow, third and fourth function
  • Axles, differential, limited slip, rear
  • Beacon light, strobe
  • Cab, deluxe (standard in Europe):
    – Automatic blower control
    – Electrically adjustable heated mirrors (2)
    – LED interior lighting
    – Touchscreen secondary display
  • Ride control adjustable speed activation
  • Preventative maintenance reminders
  • Integrated help function (26 languages)
  • Sunscreen, front and rear
  • Camera, rearview (standard in Europe)
  • Cold start package:
    – Ether starting aid, block heater and additional batteries, 1,000 CCA (4 total)
  • Counterweight, (heavy and logger)
  • Coupler, (Fusion and ISO 23727)
  • Debris packages (low, medium, high)
  • Fenders (extended cover and full coverage)
  • Guards
    – Power train, (lower, side, driveshaft and crankcase)
    – Windshield and lights
    – Cylinders, tilt and steering
    – Rear radiator, heavy duty
  • Linkage, high lift
  • Lights, auxiliary, halogen or LED with engine compartment lights
  • Payload Technology
    – Cat Production Measurement (CPM)
    – CPM Printer
  • Rear Object Detection
  • 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 mid 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, Skidder
    – Radial, 17.5, 20.5, 23.5, 550/65, 600/65, 650/65 R25
    – Solid tires, 620/65, 750/65 Agriculture
  • Tire Pressure Monitoring (TPM)
  • Toolbox
  • Work tools

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 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 188.0 mm H2O 140.0 kg/mm Less
Bore 4.0 in 105.0 mm Less
Stroke 5.0 in 135.0 mm Less
Displacement 427.0 in³ 7.01 l Less
Engine Model Cat® C7.1 ACERT™ Cat® C7.1 ACERT™ Less
Maximum Rated Gross Power - ISO 14396 188.0 mm H2O 140.0 kg/mm Less
Maximum Rated Gross Power - ISO 14396 (DIN) 190.0 mm H2O 140.0 kg/mm Less
Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) 190.0 mm H2O 140.0 kg/mm Less
Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) 188.0 mm H2O 140.0 kg/mm Less
Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800.0 r/min 1800.0 r/min Less
Rated Net Power 182.0 mm H2O 136.0 kg/mm Less
Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184.0 mm H2O 137.0 kg/mm Less
Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 182.0 mm H2O 136.0 kg/mm Less
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. Less
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 648.0 lb/ft 879.0 N·m Less
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 648.0 lb/ft 879.0 N·m Less
Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) 628.0 lb/ft 852.0 N·m Less
Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) 628.0 lb/ft 852.0 N·m Less
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) 621.0 lb/ft 843.0 N·m Less
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 621.0 lb/ft 843.0 N·m Less
Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) 175.0 mm H2O 129.0 kg/mm Less
Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) 173.0 mm H2O 129.0 kg/mm Less
Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600.0 r/min 1600.0 r/min Less
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. Less
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. Less
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. Less
Note (4) Spark arrestor performance as standard – Meets performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test). Spark arrestor performance as standard – Meets performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test). Less
Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 169.0 mm H2O 126.0 kg/mm Less
Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 171.0 mm H2O 126.0 kg/mm Less
Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 168.0 mm H2O 125.0 kg/mm Less
Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186.0 mm H2O 137.0 kg/mm Less

Buckets

Bucket Capacities 2.5-5.0 m3 (3.3-6.5 yd3) 2.5-5.0 m3 (3.3-6.5 yd3) Less

Weights

Operating Weight 36216.0 lb 16427.0 null Less

Cab

ROPS ISO 3471: 2008 ISO 3471: 2008 Less
FOPS ISO 3449: 2005 LEVEL II ISO 3449: 2005 LEVEL II Less
Note (1) Declared sound levels per ISO 6396:2008* while in Performance Power Mode: – Standard cab: 68 ±3 dB(A) and Deluxe cab Declared sound levels per ISO 6396:2008* while in Performance Power Mode: – Standard cab: 68 ±3 dB(A) and Deluxe cab Less
Note (2) * Measurements were conducted with cab doors and windows closed and at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. * Measurements were conducted with cab doors and windows closed and at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. 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

Loader Hydraulic System

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 Less
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 Less
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 Less
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 Less
Lift Cylinder, Double Acting - Bore Diameter 4.7 in 120.0 mm Less
Lift Cylinder, Double Acting - Rod Diameter 2.6 in 65.0 mm Less
Lift Cylinder, Double Acting - Stroke 31.1 in 789.0 mm Less
Maximum Flow - Implement Pump 50.0 gal/min 190.0 l/min Less
Maximum Flow - Implement Pump - 3rd Function* 50.0 gal/min 190.0 l/min Less
Maximum Flow - Implement Pump - 4th Function Maximum Flow* 42.0 gal/min 160.0 l/min Less
Maximum Working Pressure - Implement Pump 4061.0 psi 28000.0 kPa Less
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
Note (2) 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. Less
Note (3) 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). Less
Relief Pressure - Tilt Cylinder 4351.0 psi 30000.0 kPa Less
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 4061.0 psi 28000.0 kPa Less
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 4351.0 psi 30000.0 kPa Less
Tilt Cylinder, Double Acting - Bore Diameter 5.9 in 150.0 mm Less
Tilt Cylinder, Double Acting - Rod Diameter 3.5 in 90.0 mm Less
Tilt Cylinder, Double Acting - Stroke 21.9 in 555.0 mm Less

Operating Specifications

Full Turn Tip Load 22107.0 lb 10028.0 null Less

Power Train

Brakes - Parking Spring applied hydraulically released Spring applied hydraulically released Less
Brakes - Service Outboard wet disc Outboard wet disc Less
Front Axle Fixed Fixed Less
Front Axle - Traction Aid - Standard Locking differential Locking differential Less
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. Less
Note (2) Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M. Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M. Less
Note (3) Offset rims available to meet European roading requirements. Offset rims available to meet European roading requirements. Less
Rear Axle Oscillating Oscillating Less
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 ± 10.5 degrees ± 10.5 degrees Less
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 ± 7 degrees ± 7 degrees Less
Rear Axle - Oscillation Angle by Tire Size - Solid Tires, 750/65, 620/65, Skidder ± 7 degrees ± 7 degrees Less
Rear Axle - Traction Aid (Optional) Limited slip differential Limited slip differential Less

Service Refill Capacities

Cooling System 8.5 gal (US) 32.0 l Less
Diesel Exhaust Fluid (DEF) Tank 5.0 gal (US) 19.0 l Less
Engine Crankcase 5.3 gal (US) 20.0 l Less
Front Axles 9.2 gal (US) 35.0 l Less
Fuel Tank 51.5 gal (US) 195.0 l Less
Hydraulic System - Including Tank 44.9 gal (US) 170.0 l Less
Hydraulic Tank 23.8 gal (US) 90.0 l Less
Rear Axles 9.2 gal (US) 35.0 l Less
Transmission - Gear Box 2.9 gal (US) 11.0 l Less

Steering

Maximum Flow - Steering Pump 34.0 gal/min 130.0 l/min Less
Maximum Steering Torque - 0° (Straight Machine) 42506.0 lb/ft 57630.0 N·m Less
Maximum Steering Torque - 40° (Full Turn) 31398.0 lb/ft 42570.0 N·m Less
Maximum Working Pressure - Steering Pump 3500.0 psi 24130.0 kPa Less
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. Less
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). Less
Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed 2.3 s 2.3 s Less
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited 3.1 s 3.1 s Less
Steering Cylinder, Double Acting - Bore Diameter 3.1 in 80.0 mm Less
Steering Cylinder, Double Acting - Rod Diameter 2.0 in 50.0 mm Less
Steering Cylinder, Double Acting - Stroke 15.7 in 399.0 mm Less

Transmission

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
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

Efficiently Powerful

Efficiently Powerful

Efficiently Powerful

Efficiently Powerful

Efficiently Powerful

Efficiently Powerful

Efficiently Powerful

Work Made Easy

Work Made Easy

Work Made Easy

Enjoy All Day Comfort

Enjoy All Day Comfort

Customize Your Experience

Customize Your Experience

Customize Your Experience

Customize Your Experience

Configured for Success

Configured for Success

Configured for Success

Configured for Success

Configured for Success

Configured for Success

Service

Customer Support

Customer Support

Customer Support

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