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Caterpillar

938M Aggregate Handler Small Wheel Loader

Maximum Gross Power

188 hp

140 kW

Operating Weight

36839 lb

16710 kg

Bucket Capacities

2.9-5.0 m3 (3.8-6.5 yd3)

2.9-5.0 m3 (3.8-6.5 yd3)

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.

Media

Photos

Studio Shot
Studio Shot
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
Front View
Front View
Top View
Top View
Left View
Left View
Rear View
Rear View
Bottom View
Bottom View
Right View
Right View
938M Aggregate Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader

Videos

M Series Small Wheel Loaders | At Work
M Series Small Wheel Loaders | Overview
Built in Quality: Cat® Small Wheel Loaders Manufactured in Clayton, NC
Safety and Service Overview | Cat® 926M, 930M, 938M Small Wheel Loader
Kick-Outs, Snubbing, Wrap-Out and Soft Detents | M Series Small Wheel Loader Operator Tips
Secondary Display Navigation | M Series Small Wheel Loader Operator Tips
Preventative Maintenance | M Series Small Wheel Loader Operator Tips
Coded Start Feature/Individual Operator Profiles | M Series Small Wheel Loader Operator Tips
Creeper Control | M Series Small Wheel Loader Operator Tips
Rim Pull | M Series Small Wheel Loader Operator Tips
Efficient Hystat Operation | M Series Small Wheel Loader Operator Tips
Throttle Lock | M Series Small Wheel Loader Operator Tips
Fine Mode Control and Perfect Parallelism | M Series Small Wheel Loader Operator Tips
Quick Steer | M Series Small Wheel Loader Operator Tips
Power Train Modes | M Series Small Wheel Loader Operator Tips
Cab Controls and Features | M Series Small Wheel Loader Operator Tips
Hydro-mechanical Applications | M Series Small Wheel Loader Operator Tips
Third and Fourth Auxiliary Flow | M Series Small Wheel Loader Operator Tips
Reversing Fan | M Series Small Wheel Loader Operator Tips
Customize Your Experience | M Series Small Wheel Loader Operator Tips
Diesel Exhaust Fluid (DEF) Fill Alarm | M Series Small Wheel Loader Operator Tips
Cat® Production Measurement (CPM) | M and K Series Small Wheel Loader Operator Tips
Cat® Production Measurement (CPM) Updates | M and K Series Small Wheel Loader Operator Tips
Differential Lock | M Series Small Wheel Loader Operator Tips
Tire Pressure Monitoring System | M Series Small Wheel Loader Operator Tips
Tire Pressure Monitoring System Updates | M Series Small Wheel Loader Operator Tips
Engine Idle Shutdown | M and K Series Small Wheel Loader Operator Tips
Continuously Adjustable Creep Mode | M and K Series Small Wheel Loader Operator Tips
Operator ID and Machine Security | M and K Series Small Wheel Loader Operator Tips

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Interior

360° Interior view. Double click on the image to zoom in on any area of the product.

Documents

Features

Application Specific Configuration

Efficiently Powerful

Enjoy All Day Comfort

Customize Your Experience

Service

Customer Support

Sustainability

Details

Specifications

Spec Value
Maximum Gross Power 188 hp 140 kW
Bore 4 in 105 mm
Stroke 5 in 135 mm
Displacement 427 in³ 7.01 l
Maximum Gross Torque – ISO 14396 (Performance Power Mode: Range 1-4) 664 ft·lbf 900 N·m
Engine Model Cat® C7.1 Cat® C7.1
Maximum Gross Torque – ISO 14396 (Standard Power Mode: Range 1-3*) 642 ft·lbf 870 N·m
Maximum Gross Power – ISO 14396 (Performance Power Mode: Range 1-4) 188 hp 140 kW
Maximum Gross Power – Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800 r/min 1800 r/min
Maximum Rated Gross Power – ISO 14396 188 hp 140 kW
Maximum Gross Power – Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600 r/min 1600 r/min
Maximum Net Torque – SAE J1349 (Performance Power Mode: Range 1-4) 649 ft·lbf 880 N·m
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.
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.
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.
Maximum Gross Power – ISO 14396 (Standard Power Mode: Range 1-3*) 173 hp 129 kW
Emissions The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards. The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards.
Maximum Net Torque – SAE J1349 (Standard Power Mode: Range 1-3*) 627 ft·lbf 850 N·m
Maximum Net Torque – ISO 9249 (Performance Power Mode: Range 1-4) 650 ft·lbf 882 N·m
Net Power – ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186 hp 137 kW
Net Power – ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184 hp 137 kW
Maximum Gross Power – ISO 14396 (metric) (Performance Power Mode: Range 1-4) 190 hp 140 kW
Net Power – SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 183 hp 137 kW
Net Power – SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170 hp 127 kW
Net Power (Standard Power Mode: Range 1-3*) 1600 r/min 1600 r/min
Maximum Gross Power – ISO 14396 (metric) (Standard Power Mode: Range 1-3*) 176 hp 129 kW
Net Power (Performance Power Mode: Range 1-4) 1800 r/min 1800 r/min
Maximum Rated Gross Power – ISO 14396 (metric) 190 hp 140 kW
Net Power – ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 172 hp 127 kW
Maximum Net Torque – ISO 9249 (Standard Power Mode: Range 1-3*) 628 ft·lbf 852 N·m
Net Power – ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170 hp 127 kW
Spec Value
Bucket Capacities 2.9-5.0 m3 (3.8-6.5 yd3) 2.9-5.0 m3 (3.8-6.5 yd3)
Spec Value
Operating Weight 36839 lb 16710 kg
Note (2) ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Note (1) **Aggregate Handler machine equipped with full counterweight and optional guards. **Aggregate Handler machine equipped with full counterweight and optional guards.
Operating Weight (2) 16 710 kg (36,839 lb)^ 16 710 kg (36,839 lb)^
Operating Weight (1) 16 199 kg (35,712 lb)** 16 199 kg (35,712 lb)**
Spec Value
ROPS ISO 3471:2008 ISO 3471:2008
Note (1) * 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.
FOPS ISO 3449:2005 LEVEL II ISO 3449:2005 LEVEL II
Declared Sound Levels Declared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)*
– Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)* Declared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)*
– Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
Spec Value
Maximum Flow – Steering Pump 34 gal/min 130 l/min
Steering Cycle Times – Full Left to Full Right – Minimum RPM: Pump Flow Limited 3.1 s 3.1 s
Steering Cycle Times – Full Left to Full Right – Maximum RPM: 90 rpm Steering Wheel Speed 2.3 s 2.3 s
Steering Cylinder, Double Acting – Bore Diameter 3.1 in 80 mm
Steering Cylinder, Double Acting – Rod Diameter 2 in 50 mm
Steering Cylinder, Double Acting – Stroke 15.7 in 399 mm
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.
Maximum Working Pressure – Steering Pump 3500 psi 24130 kPa
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).
Spec Value
Relief Pressure – Tilt Cylinder – 3rd and 4th Function Relief Pressure 4351 psi 30000 kPa
Relief Pressure – Tilt Cylinder – 3rd and 4th Function Maximum Working Pressure 4061 psi 28000 kPa
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.
Tilt Cylinder, Double Acting – Bore Diameter 5.9 in 150 mm
Relief Pressure – Tilt Cylinder 4351 psi 30000 kPa
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
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
Tilt Cylinder, Double Acting – Rod Diameter 3.5 in 90 mm
Maximum Flow – Implement Pump 50 gal/min 190 l/min
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).
Tilt Cylinder, Double Acting – Stroke 21.9 in 555 mm
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
Maximum Flow – Implement Pump – 4th Function Maximum Flow* 42 gal/min 160 l/min
Note (3) * 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.
Lift Cylinder, Double Acting – Stroke 31.1 in 789 mm
Maximum Working Pressure – Implement Pump 4061 psi 28000 kPa
Lift Cylinder, Double Acting – Bore Diameter 4.7 in 120 mm
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
Lift Cylinder, Double Acting – Rod Diameter 2.6 in 65 mm
Maximum Flow – Implement Pump – 3rd Function Maximum Flow* 50 gal/min 190 l/min
Spec Value
Rear Axles 9.2 gal (US) 35 l
Hydraulic System – Including Tank 44.9 gal (US) 170 l
Hydraulic Tank 23.8 gal (US) 90 l
Diesel Exhaust Fluid (DEF) Tank 5 gal (US) 19 l
Engine Crankcase 5.3 gal (US) 20 l
Cooling System 8.5 gal (US) 32 l
Front Axles 9.2 gal (US) 35 l
Transmission – Gear Box 2.9 gal (US) 11 l
Fuel Tank 51.5 gal (US) 195 l
Spec Value
Brakes – Parking Spring applied hydraulically released Spring applied hydraulically released
Rear Axle – Traction Aid – Optional Limited slip differential Limited slip differential
Rear Axle – Oscillation Angle by Tire Size – 23.5 R25 ± 7 degrees ± 7 degrees
Rear Axle Oscillating Oscillating
Rear Axle – Oscillation Angle by Tire Size – 20.5 R25, 550/65, 600/65, 650/65 ± 10.5 degrees ± 10.5 degrees
Note (2) Offset rims available to meet European roading requirements. Offset rims available to meet European roading requirements.
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.
Brakes – Service Outboard wet disc Outboard wet disc
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.
Front Axle Fixed Fixed
Front Axle – Traction Aid* Locking differential (standard) Locking differential (standard)
Spec Value
Forward and Reverse – Range 4 25 mile/h 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). * 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) 1-13 km/h (0.6-8 mph)
Forward and Reverse – Range 2 8 mile/h 13 km/h
Forward and Reverse – Range 3 17 mile/h 27 km/h
Spec Value
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.
Spec Value
Full Turn Tip Load (2) 10 662 kg (23,504 lb)^ 10 662 kg (23,504 lb)^
Full Turn Tip Load (1) 10 551 kg (23,260 lb)** 10 551 kg (23,260 lb)**
Note (2) ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Note (1) **Aggregate Handler machine equipped with full counterweight and optional guards. **Aggregate Handler machine equipped with full counterweight and optional guards.
Spec Value
Recyclability 94% 94%

Standard Equipment

POWER TRAIN

  • Axle Duo-Cone™ seal guards
  • Axle seal guards
  • Auto idle shut down feature
  • Auto idle shut down feature
  • Cat C7.1 engine
    – Power modes (Standard and Performance)
    – Power by range (High Power in Range 4)
    – Turbocharged and aftercooled
    – Diesel particulate filter (Fit for Life)
  • 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)
  • Coded start (requires secondary display)
  • Coolant protection to –34° C (–29° F)
  • Differential lock in front axle
  • Differential lock in front axle
  • Enclosed wet disc full hydraulic brakes
  • Dry type air cleaner
  • Hydraulically driven demand cooling fan
  • Enclosed wet disc full hydraulic brakes
  • 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
  • Fuel priming pump, automatic
  • Parking brake, electric
  • Fuel water separator
  • Single plane cooling package wide six fins per inch density
  • Hydraulically driven demand cooling fan
  • Oil sampling ports
  • Intelligent hydrostatic transmission: – Power train modes – Directional Shift Aggressiveness – Rimpull control, adjust wheel torque – Creeper control, adjust ground speed
  • Throttle lock and max speed limiter
  • 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, adjustable in-cab
  • Bucket and fork modes, adjustable in-cab
  • Cylinder damping at kickout and mechanical end stops
  • Fine mode control (fast, medium, slow)
  • Hydraulic response setting (fast, medium, slow)
  • Automatic lift, lower and tilt kickouts
  • Load sensing hydraulics and steering
  • Bucket and Fork Modes, adjustable in-cab
  • Seat-mounted hydraulic joystick controls
  • 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
  • Batteries, 1,000 CCA (2) 24V system, disconnect switch
  • Back-up alarm
  • Emergency shutdown switch
  • Halogen work and roading lights, LED rear tail lights
  • Alternator, 115-amp, heavy duty
  • Product Link PRO with three year subscription
  • 12V power supply in cab (2)
  • Remote jump start post
  • Batteries, 1,000 CCA (2) 24 volt system
  • Resettable main and critical function breakers
  • 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) High-Vis retractable seat belt, with audible alarm and indicator
  • Automatic temperature control
  • Cab, pressurized
  • Camera, rearview
  • External heated mirrors with lower parabolic
  • Ground level cab door release
  • 75 mm (3 in) retractable seat belt, with audible alarm and indicator
  • Hydraulic control lockout
  • Automatic temperature control
  • Mirror, single
  • Cab, enclosed and pressurized
  • Lunch box storage
  • Cup holders
  • Radio ready speakers
  • External heated mirrors with lower parabolic
  • Rear window defrost, electric
  • Ground level cab door release
  • Column mounted multi function control – lights, wipers, turn signal
  • 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
  • Tilt and telescopic steering wheel
  • Hydraulic control lockout
  • Tinted front glass
  • Interior cab lighting, door and dome
  • Wet arm wiper/washer, 2-speed and intermittent, front, lights, wipers, turn signal
  • Interior rearview mirrors (2)
  • Suspension seat, fabric
  • 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 with adjustable close/open force
  • Cat optimized Z-bar linkage with parallel lift
  • Recovery hitch, with pin
  • Remote mounted lubrication points
  • Lockable compartments and enclosures
  • Large-access enclosure doors
  • Parallel lift loader linkage
  • Recovery hitch with pin
  • Remote mounted lubrication points
  • Lockable compartments and enclosures

Optional Equipment

Cab, deluxe (standard in Europe):

  • Automatic blower control
  • Electrically adjustable heated mirrors (2)
  • LED interior lighting
  • Secondary display to adjust settings

OPTIONAL EQUIPMENT

  • Autolube, integrated in secondary display
  • Auxiliary flow, third and fourth function
  • Differential, limited slip, rear
  • Beacon light, strobe
  • Cab, deluxe (standard in Europe)
    – Camera, rearview integrated into advanced display
    – Electrically adjustable external heated mirrors (2)
    – Secondary display to enable features and adjust parameters
    – LED interior lighting
    – Sunscreen, front and rear
    – Touchscreen secondary display
    – Ride control adjustable speed activation
    – Preventative maintenance reminders
    – Integrated help function (26 languages)
  • Camera, roof mounted, front view with separate display
  • Cold start package
    – Ether starting aid, block heater and additional batteries, 1,000 CCA (4 total)
  • Counterweight, additional options
  • Coupler, (Fusion and ISO 23727)
  • Debris packages (low, medium, high)
  • Fenders (extended cover and full coverage)
  • Guarding packages
  • Linkage, high lift
  • Lights, auxiliary, halogen or LED with engine and DEF compartment lights
  • Payload Technology
    – Cat Production Measurement (CPM)
    – CPM Printer
  • Product Link ELITE with capabilities for software push, data logging, histogram and trend mapping
  • Radio packages
  • Rear Object Detection
  • Ride Control System, adjustable through secondary display
  • 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. Seat is heated and ventilated on bottom cushion and backrest.
  • Steering
    – Dual mode and secondary
  • Tire Pressure Monitoring (TPM)

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

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