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Ziegler CAT

938M Aggregate Handler Small Wheel Loader

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.

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

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

Interior

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

Specifications

  • Engine
    SpecValue
    Engine Model Cat® C7.1 ACERT™
    Maximum Rated Gross Power - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) 190 HP
    Rated Net Power 182 HP
    Maximum Rated Gross Power - ISO 14396 188 HP
    Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 182 HP
    Maximum Rated Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) 188 HP
    Maximum Rated Gross Power - ISO 14396 (DIN) 190 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
    Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800 r/min
    Maximum Gross Power 190 HP
    Bore 4 in
    Stroke 5 in
    Displacement 427 in³
    Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 648 ft·lbf
    Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) 173 HP
    Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 168 HP
    Note (4) Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).
    Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 171 HP
    Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186 HP
    Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 648 ft·lbf
    Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) 628 ft·lbf
    Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) 628 ft·lbf
    Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 169 HP
    Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600 r/min
    Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) 175 HP
    Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) 621 ft·lbf
    Note (3) 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.
    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.
    Emissions Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
    Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 621 ft·lbf
  • Buckets
    SpecValue
    Bucket Capacities 2.9-3.2 m3 (3.8-4.2 yd3)
  • Weights
    SpecValue
    Operating Weight 36075 lb
  • Cab
    SpecValue
    ROPS ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II
    Note (2) The Blue Angel environmental label is an optional attachment for Europe only.
    Note (1) * Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows closed.
    Declared Sound Levels – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
  • Loader Hydraulic System
    SpecValue
    Relief Pressure - Tilt Cylinder - 3rd Function Relief Pressure 4351 psi
    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.
    Tilt Cylinder, Double Acting - Bore Diameter 5.9 in
    Relief Pressure - Tilt Cylinder 4351 psi
    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 - Total Cycle Time 9.7/10.6 seconds
    Tilt Cylinder, Double Acting - Rod Diameter 3.5 in
    Maximum Flow - Implement Pump 50 gal/min
    Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm)
    Tilt Cylinder, Double Acting - Stroke 21.9 in
    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
    Maximum Flow - Implement Pump - 3rd Function* 50 gal/min
    Note (3) * 3rd 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
    Maximum Working Pressure - Implement Pump 4061 psi
    Lift Cylinder, Double Acting - Bore Diameter 4.7 in
    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
    Lift Cylinder, Double Acting - Rod Diameter 2.6 in
    Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure 4061 psi
  • Steering
    SpecValue
    Maximum Flow - Steering Pump 34 gal/min
    Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited 3.1 s
    Maximum Steering Torque - 40° (Full Turn) 31398 ft·lbf
    Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed 2.3 s
    Maximum Steering Torque - 0° (Straight Machine) 42506 ft·lbf
    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
    Note (1) Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
    Maximum Working Pressure - Steering Pump 3500 psi
    Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
  • Service Refill Capacities
    SpecValue
    Rear Axles 9.2 gal (US)
    Hydraulic System - Including Tank 44.9 gal (US)
    Hydraulic Tank 23.8 gal (US)
    Diesel Exhaust Fluid (DEF) Tank 5 gal (US)
    Engine Crankcase 5.3 gal (US)
    Cooling System 8.5 gal (US)
    Front Axles 9.2 gal (US)
    Transmission - Gear Box 2.9 gal (US)
    Fuel Tank 51.5 gal (US)
  • Power Train
    SpecValue
    Brakes - Parking Spring applied hydraulically released
    Rear Axle - Traction Aid - Optional Limited slip differential
    Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 ± 7 degrees
    Rear Axle Oscillating
    Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 ± 10.5 degrees
    Note (2) 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.
    Brakes - Service 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.
    Front Axle Fixed
    Front Axle - Traction Aid** Locking differential (standard)
  • Operating Specifications
    SpecValue
    Full Turn Tip Load 23466 lb
  • Transmission
    SpecValue
    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).
    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