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