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938M Aggregrate Handler Wheel Loader

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

Maximum Gross Power188 HP (140 kW)
Operating Weight36839 lb (16710 kg)
Bucket Capacities2.9-5.0 m3 (3.8-6.5 yd3)
Bore4 in (105 mm)
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.

Specifications

Maximum Gross Power188 HP (140 kW)
Operating Weight36839 lb (16710 kg)
Bucket Capacities2.9-5.0 m3 (3.8-6.5 yd3)
Bore4 in (105 mm)
Stroke5 in (135 mm)
Displacement427 in³ (7.01 l)
ROPSISO 3471:2008
Note (2)Offset rims available to meet European roading requirements.
Brakes - ServiceOutboard wet disc
Note (3)* 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
Note (1)Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
Maximum Flow - Implement Pump - 4th Function Maximum Flow*42 gal/min (160 l/min)
Steering Cylinder, Double Acting - Stroke15.7 in (399 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
Fuel Tank51.5 gal (US) (195 l)
Steering Cylinder, Double Acting - Rod Diameter2 in (50 mm)
Forward and Reverse - Range 28 mile/h (13 km/h)
Transmission - Gear Box2.9 gal (US) (11 l)
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65± 10.5 degrees
Front Axles9.2 gal (US) (35 l)
Cooling System8.5 gal (US) (32 l)
Rear AxleOscillating
Steering Cylinder, Double Acting - Bore Diameter3.1 in (80 mm)
Engine Crankcase5.3 gal (US) (20 l)
Tilt Cylinder, Double Acting - Stroke21.9 in (555 mm)
Forward and Reverse - Range 1*1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 317 mile/h (27 km/h)
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.
Air ConditioningThe 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.
Operating Weight (1)16 199 kg (35,712 lb)**
Note (2)^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Operating Weight (2)16 710 kg (36,839 lb)^
Note (1)**Aggregate Handler machine equipped with full counterweight and optional guards.
Note (2)^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Full Turn Tip Load (1)10 551 kg (23,260 lb)**
Full Turn Tip Load (2)10 662 kg (23,504 lb)^
Maximum Flow - Implement Pump - 3rd Function Maximum Flow*50 gal/min (190 l/min)
Note (2)Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Declared Sound LevelsDeclared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)*
– Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
Maximum Working Pressure - Steering Pump3500 psi (24130 kPa)
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25± 7 degrees
Lift Cylinder, Double Acting - Rod Diameter2.6 in (65 mm)
Front Axle - Traction Aid*Locking differential (standard)
Note (1)Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
FOPSISO 3449:2005 LEVEL II
Front AxleFixed
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
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.
Lift Cylinder, Double Acting - Bore Diameter4.7 in (120 mm)
Maximum Working Pressure - Implement Pump4061 psi (28000 kPa)
Lift Cylinder, Double Acting - Stroke31.1 in (789 mm)
Diesel Exhaust Fluid (DEF) Tank5 gal (US) (19 l)
Maximum Flow - Implement Pump50 gal/min (190 l/min)
Hydraulic Tank23.8 gal (US) (90 l)
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 - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)170 HP (127 kW)
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)183 HP (137 kW)
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4)190 HP (140 kW)
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4)184 HP (137 kW)
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4)186 HP (137 kW)
Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4)650 ft·lbf (882 N·m)
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)627 ft·lbf (850 N·m)
EmissionsThe Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards.
Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*)173 HP (129 kW)
Note (1)*Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*)176 HP (129 kW)
Note (3)No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4)649 ft·lbf (880 N·m)
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)1600 r/min (1600 r/min)
Maximum Rated Gross Power - ISO 14396188 HP (140 kW)
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)1800 r/min (1800 r/min)
Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4)188 HP (140 kW)
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)642 ft·lbf (870 N·m)
Engine ModelCat® C7.1
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)664 ft·lbf (900 N·m)
Net Power (Standard Power Mode: Range 1-3*)1600 r/min (1600 r/min)
Net Power (Performance Power Mode: Range 1-4)1800 r/min (1800 r/min)
Note (2)Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Brakes - ParkingSpring applied hydraulically released
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 425 mile/h (40 km/h)
Tilt Cylinder, Double Acting - Rod Diameter3.5 in (90 mm)
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time9.7/10.6 seconds
Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed2.3 s (2.3 s)
Rear Axle - Traction Aid - OptionalLimited slip differential
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
Relief Pressure - Tilt Cylinder4351 psi (30000 kPa)
Hydraulic System - Including Tank44.9 gal (US) (170 l)
Tilt Cylinder, Double Acting - Bore Diameter5.9 in (150 mm)
Maximum Rated Gross Power - ISO 14396 (metric)190 HP (140 kW)
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.
Rear Axles9.2 gal (US) (35 l)
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited3.1 s (3.1 s)
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure4061 psi (28000 kPa)
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure4351 psi (30000 kPa)
Maximum Flow - Steering Pump34 gal/min (130 l/min)
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)170 HP (127 kW)
Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*)628 ft·lbf (852 N·m)
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)172 HP (127 kW)
Note (1)**Aggregate Handler machine equipped with full counterweight and optional guards.

Benefits and Features

INCREASED PAYLOAD
Additional counterweight improves stability without reducing ground clearance or departure angle to maximize performance.

LONG LIFE SAND AND GRAVEL BUCKETS
Performance Series Buckets deliver higher fill factors and better material retention for significant productivity and fuel efficiency improvements. The buckets feature a long floor, open throat, curved side bars and additional serviceable wear plates including corner guards.

PROTECT YOUR POWER TRAIN
Increase your fording depths with optional elevated breathers. Remote mounted high on the machine for the front and rear axles and hydrostatic gear box. Allows settling pond clean out without contamination.

The Cat® C7.1 engine provides cleaner, quieter operation while delivering superior performance and durability through a high torque, low speed design. Caterpillar's exclusive Intelligent Power Management system monitors operator input and power availability to keep the machine working at peak efficiency and provide the operator with greater customization to suit their application.

A choice of Power Modes allows you to choose between maximum fuel efficiency or boosted power along with hydraulic speed.

STANDARD POWER MODE

  • Saves fuel and reduces cab sound levels
  • Biggest gains are seen during load and carry, snow removal and roading applications

    PERFORMANCE POWER MODE
  • Enabled at the push of a button (HP+), boosts engine power by up to 10% and engine speed by over 12%
  • Increases hydraulic cycle times and productivity

Lock up and go with fully locking front differential axle that can be engaged on the move at full torque. Maximize your traction with optional Limited Slip Differential on the rear axle to keep you climbing.

A spacious, quiet and comfortable operator environment helps keep you relaxed and productive throughout the day. Experience superior all around visibility with single piece front windshield, redesigned linkage and clean hydraulic lines routing. Seat-mounted controls featuring low effort joystick for lift and tilt functions along with integrated Forward/Neutral/Reverse switch, differential lock trigger and optional third and fourth auxiliary functions.

  • Automatic climate control with heated rear glass and external mirrors
  • Information at a glance with large primary LCD display
  • Heated and cooled seat option
  • Optional Ride Control
  • Exclusive electro-hydraulic cylinder snubbing
  • An extra eye on the job site with optional integrated rear object detection and optional* rearview camera
*Standard in Europe.

The M Series Aggregate Handler 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 your machine by customizing your controls.

  • Select your Power Train Mode
  • Reduce tire wear using Rimpull
  • Fine tune ground speed with Creeper Control
  • Adjustable Electo-Hydraulic Controls
  • Set Directional Shift Response based on job application

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 order to give full access to filters and service points. Extended service intervals on hydraulic and power train filters reduce service time and maximize uptime. Additional service features include:

  • Product Link™ PRO standard with optional subscription to VisionLink®.
  • Maintenance reminders through secondary display at scheduled intervals.
  • Fit for Life Diesel Particulate Filter that is designed to exceed the engine overhaul life.
  • Quick fuel filter service with Caterpillar's exclusive electric fuel priming pump.
  • Jump start studs as standard equipment.
  • Extended cleanouts with single plane cooling system and wide spaced 6 fans per inch coolers as standard.
  • Integrated Autolube (optional) with adjustable greasing frequency.

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 business needs.

Maximize your machine uptime with unsurpassed worldwide parts availability, trained technicians and customer support agreements.

Let us earn your business. Experience an M Series Small Wheel Loader and join the Caterpillar family.

Standard Equipment

  • Axle Duo-Cone™ seal guards
  • 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)
  • Coded start (requires secondary display)
  • Differential lock in front axle
  • Enclosed wet disc full hydraulic brakes
  • 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
  • Oil sampling ports
  • Throttle lock and max speed limiter
  • 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)
  • Load sensing hydraulics and steering
  • Seat-mounted hydraulic joystick controls
  • 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
  • Product Link PRO with three year subscription
  • Remote jump start post
  • Resettable main and critical function breakers
  • 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
  • Hydraulic control lockout
  • Mirror, single
  • Lunch box storage
  • Radio ready speakers
  • Rear window defrost, electric
  • 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, lights, wipers, turn signal
  • Suspension seat, fabric
  • 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

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)