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Ziegler CAT

938M Wheel Loader

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.

Brand: Caterpillar

Photos

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

360° View

Exterior

Model shown represents features on all Cat® Small Wheel Loaders except where indicated.

Interior

Model shown represents features on all Cat® Small Wheel Loaders except where indicated.

Specifications

  • Engine
    SpecValue
    Engine Model Cat® C7.1 ACERT™
    Maximum Rated Gross Power - ISO 14396 188 HP
    Maximum Rated Gross Power - ISO 14396 (DIN) 190 HP
    Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) 190 HP
    Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) 188 HP
    Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800 r/min
    Rated Net Power 182 HP
    Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184 HP
    Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 182 HP
    Maximum Gross Power 188 HP
    Bore 4 in
    Stroke 5 in
    Displacement 427 in³
    Emissions Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
    Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 648 lb/ft
    Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 648 lb/ft
    Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) 628 lb/ft
    Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) 628 lb/ft
    Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) 621 lb/ft
    Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 621 lb/ft
    Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) 175 HP
    Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) 173 HP
    Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600 r/min
    Note (1) * 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.
    Note (3) No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
    Note (4) Spark arrestor performance as standard – Meets performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).
    Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 169 HP
    Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 171 HP
    Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 168 HP
    Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186 HP
  • Buckets
    SpecValue
    Bucket Capacities 2.5-5.0 m3 (3.3-6.5 yd3)
  • Weights
    SpecValue
    Operating Weight 36216 lb
  • Cab
    SpecValue
    ROPS ISO 3471: 2008
    FOPS ISO 3449: 2005 LEVEL II
    Note (1) Declared sound levels per ISO 6396:2008* while in Performance Power Mode: – Standard cab: 68 ±3 dB(A) and Deluxe cab
    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.
  • Air Conditioning System
    SpecValue
    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.
  • Loader Hydraulic System
    SpecValue
    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
    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
    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
    Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time 9.7/10.6 seconds
    Lift Cylinder, Double Acting - Bore Diameter 4.7 in
    Lift Cylinder, Double Acting - Rod Diameter 2.6 in
    Lift Cylinder, Double Acting - Stroke 31.1 in
    Maximum Flow - Implement Pump 50 gal/min
    Maximum Flow - Implement Pump - 3rd Function* 50 gal/min
    Maximum Flow - Implement Pump - 4th Function Maximum Flow* 42 gal/min
    Maximum Working Pressure - Implement Pump 4061 psi
    Note (1) * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
    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.
    Note (3) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
    Relief Pressure - Tilt Cylinder 4351 psi
    Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 4061 psi
    Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 4351 psi
    Tilt Cylinder, Double Acting - Bore Diameter 5.9 in
    Tilt Cylinder, Double Acting - Rod Diameter 3.5 in
    Tilt Cylinder, Double Acting - Stroke 21.9 in
  • Operating Specifications
    SpecValue
    Full Turn Tip Load 22107 lb
  • Power Train
    SpecValue
    Brakes - Parking Spring applied hydraulically released
    Brakes - Service Outboard wet disc
    Front Axle Fixed
    Front Axle - Traction Aid - Standard Locking differential
    Note (1) Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
    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.
    Note (3) Offset rims available to meet European roading requirements.
    Rear Axle Oscillating
    Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 ± 10.5 degrees
    Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 ± 7 degrees
    Rear Axle - Oscillation Angle by Tire Size - Solid Tires, 750/65, 620/65, Skidder ± 7 degrees
    Rear Axle - Traction Aid - Optional Limited slip differential
  • Service Refill Capacities
    SpecValue
    Cooling System 8.5 gal (US)
    Diesel Exhaust Fluid (DEF) Tank 5 gal (US)
    Engine Crankcase 5.3 gal (US)
    Front Axles 9.2 gal (US)
    Fuel Tank 51.5 gal (US)
    Hydraulic System - Including Tank 44.9 gal (US)
    Hydraulic Tank 23.8 gal (US)
    Rear Axles 9.2 gal (US)
    Transmission - Gear Box 2.9 gal (US)
  • Steering
    SpecValue
    Maximum Flow - Steering Pump 34 gal/min
    Maximum Steering Torque - 0° (Straight Machine) 42506 lb/ft
    Maximum Steering Torque - 40° (Full Turn) 31398 lb/ft
    Maximum Working Pressure - Steering Pump 3500 psi
    Note (1) Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
    Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
    Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed 2.3 s
    Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited 3.1 s
    Steering Cylinder, Double Acting - Bore Diameter 3.1 in
    Steering Cylinder, Double Acting - Rod Diameter 2 in
    Steering Cylinder, Double Acting - Stroke 15.7 in
  • Transmission
    SpecValue
    Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph)
    Forward and Reverse - Range 2 8 mile/h
    Forward and Reverse - Range 3 17 mile/h
    Forward and Reverse - Range 4 25 mile/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).