Engine

Maximum Rated Gross Power: ISO 14396
188 hp
Maximum Rated Gross Power: ISO 14396 (DIN)
190 hp
Maximum Rated Gross Power – Maximum Engine Speed (Performance [HP+] Power Mode: Range 1-4)
1800 rpm
Maximum Rated Gross Power – ISO 14396 (Performance [HP+] Power Mode: Range 1-4)
188 hp
Maximum Rated Gross Power – ISO 14396 (DIN) (Performance [HP+] Power Mode: Range 1-4)
190 hp
Rated Net Power at 1,800 rpm – SAE J1349 at Minimum Fan Speed (Performance [HP+] 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 [HP+] 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 [HP+] Power Mode: Range 1-4)
186 hp
Maximum Gross Torque – ISO 14396 (Performance [HP+] Power Mode: Range 1-4)
648 lbf-ft
Maximum Net Torque – SAE J1349 (Performance [HP+] Power Mode: Range 1-4)
621 lbf-ft
Maximum Net Torque – ISO 9249 (1977)/EEC 80/1269 (Performance [HP+] 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 arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).

Buckets

Bucket Capacities
3.0-5.0 m3 (3.9-6.5 yd3)

Weights

Operating Weight
38555 lb

Cab

ROPS
ISO 3471: 2008
FOPS
ISO 3449: 2005 LEVEL II
Declared Sound Levels – Operator Sound Pressure Level (ISO 6396:2008)*
68 dB(A)
Declared Sound Levels – Exterior Sound Power Level (ISO 6395:2008)*
101 dB(A)
Note
*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 clo
Note
The Blue Angel environmental label is an optional attachment for Europe only.

Steering

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).

Loader Hydraulic System

Maximum Flow – Implement Pump
50 gal/min
Maximum Flow – Implement Pump: 3rd Function Maximum Flow*
50 gal/min
Maximum Working Pressure – Implement Pump
4061 psi
Relief Pressure – Tilt Cylinder
4351 psi
Relief Pressure – Tilt Cylinder: 3rd Function Maximum Working Pressure
4061 psi
Relief Pressure – Tilt Cylinder: 3rd 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
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).
Note
*3rd function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped.

Service Refill Capacities

Fuel Tank
51.5 gal
Diesel Exhaust Fluid (DEF) Tank
5.0 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

Transmission

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 touch screen display when equipped. Factory default is 7 km/h (4.4 mph).

Operating Specifications

Full Turn Tip Load
21720 lb

Power Train

Front Axle
Fixed
Front Axle: Traction Aid*
Locking differential (standard)
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: 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
Offset rims available to meet European roading requirements.
Note
*Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M.
  • 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
      – Filtered crankcase breather
      – 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 six 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 trial subscription
    • Remote jump start post
    • Resettable main and critical function breakers
  • OPERATOR ENVIRONMENT
    • 75 mm (3 in) retractable seat belt, with audible alarm and indicator
    • Automatic temperature control
    • Binder storage net
    • Cab, enclosed and pressurized
    • Cup holders
    • External heated mirrors with lower parabolic
    • Ground level cab door release
    • 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
    • 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
  • EU STANDARD EQUIPMENT
    • Cab, deluxe
    • Camera, rearview
  • OPTIONAL EQUIPMENT
    • Antifreeze/coolant, extended-life
    • Auto lube, integrated in touch screen display
    • Auxiliary flow, third and fourth function
    • Axles, differential, limited slip, rear
    • Axles, elevated breathers
    • Beacon light, strobe
    • Cab, deluxe (standard in Europe):
      – Automatic blower control
      – Electrically adjustable heated mirrors (2)
      – LED interior lighting
      – Touch screen display
    • Ride control adjustable speed activation
    • Preventative maintenance reminders
    • Integrated help function (22 languages available)
    • Sunscreen, front and rear
    • Camera, rearview (standard in Europe)
    • Cat Production Measurement (CPM) – fully integrated scale system, with optional printer that can print up to three copies of the weigh ticket
    • Cold start package:
      – Ether starting aid, block heater and additional batteries 1,000 CCA (four in total)
    • Coupler, (Fusion and ISO 23727)
    • Debris packages:
      – Low – standard six fins per inch package
      – Medium – reversing fan and Syklone precleaner
      – High – adds a sealed alternator to medium package
    • Fenders (extended cover and full coverage)
    • Guards:
      – Power train, (lower, side, driveshaft and crankcase)
      – Windshield and lights
      – Cylinders, tilt and steering
    • Lights, auxiliary, halogen or LED with engine compartment lights
    • 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 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
    • Tire Pressure Monitoring (TPM) – fully integrated system with high and low pressure alerts
    • Toolbox – 0.03 m3 (1.2 ft3) of undercab storage
    • Work tools
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Two dads havin' fun.
Splishin' & splashin' in the hot summer sun.