The Cat® 938M Waste 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. A complete range of guarding and debris management solutions are available to meet the needs of the most demanding environments. Extremely low sound levels, large spacious cab and intuitive controls keep you working comfortably all day and even all night! Experience this industry benchmark.
Maximum Gross Power 188 HP
Operating Weight 41794 lb
Bucket Capacities 3.0-5.0 m3 (3.9-6.5 yd3)
Bore 4 in
Bore 4in
Displacement 427in³
Emissions The Cat C7.1 engine meets U.S. EPA Tier 4 Final/EU Stage V and Korea Tier 4 Final emission standards.
Engine Model Cat® C7.1
Engine Power - ISO 14396 188HP
Engine Power - ISO 14396 - Metric 190HP
Maximum Gross Power 188HP
Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) 188HP
Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) 173HP
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4) 190HP
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*) 176HP
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800r/min
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600r/min
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 664ft·lbf
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 642ft·lbf
Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) 650ft·lbf
Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) 628ft·lbf
Maximum Net Torque - SAE J1349 (Performance [HP+] Power Mode: Range 1-4) 649ft·lbf
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 627ft·lbf
Net Power (Performance Power Mode: Range 1-4) 1800r/min
Net Power (Standard Power Mode: Range 1-3*) 1600r/min
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186HP
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 172HP
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184HP
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170HP
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 183HP
Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170HP
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.
Stroke 5in
Note (1) **Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires.
Note (2) ^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires.
Operating Weight 41794lb
Operating Weight (1) 17 258 kg (38,046 lb)**
Operating Weight (2) 18 958 kg (41,794 lb)^
Bucket Capacities 3.0-5.0 m3 (3.9-6.5 yd3)
Declared Sound Levels - Exterior Sound Power Level (ISO 6395:2008)* 101dB(A)
Declared Sound Levels - Operator Sound Pressure Level (ISO 6396:2008)* 68dB(A)
FOPS ISO 3449:2005 LEVEL II
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 cl
ROPS ISO 3471:2008
Full Turn Tip Load (1) 9795 kg (21,594 lb)**
Full Turn Tip Load (2) 10 741 kg (23,679 lb)^
Note (1) **Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires.
Note (2) ^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires.
Air Conditioning The air conditioning system on this machine contains the flourinated 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.
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: Standard Lift Linkage - Bore Diameter 4.7in
Lift Cylinder: Standard Lift Linkage - Rod Diameter 2.6in
Lift Cylinder: Standard Lift Linkage - Stroke 31.1in
Maximum Flow - Implement Pump 50gal/min
Maximum Flow - Implement Pump - 3rd Function Maximum Flow* 50gal/min
Maximum Flow - Implement Pump - 4th Function Maximum Flow* 42gal/min
Maximum Working Pressure - Implement Pump 4061psi
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.
Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Note (3) * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped.
Relief Pressure - Tilt Cylinder 4351psi
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 4061psi
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 4351psi
Tilt Cylinder: Standard Lift Linkage - Bore Diameter 5.9in
Tilt Cylinder: Standard Lift Linkage - Rod Diameter 3.5in
Tilt Cylinder: Standard Lift Linkage - Stroke 21.9in
Maximum Flow - Steering Pump 34gal/min
Maximum Steering Torque - 0° (Straight Machine) 42506ft·lbf
Maximum Steering Torque - 40° (Full Turn) 31398ft·lbf
Maximum Working Pressure - Steering Pump 3500psi
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 2.3s
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited 3.1s
Steering Cylinder, Double Acting - Bore Diameter 3.1in
Steering Cylinder, Double Acting - Rod Diameter 2in
Steering Cylinder, Double Acting - Stroke 15.7in
Recyclability 94%
Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2 8mile/h
Forward and Reverse - Range 3 17mile/h
Forward and Reverse - Range 4 25mile/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 touch screen display when equipped. Factory default is 7 km/h (4.4 mph).
Brakes - Parking Spring applied hydraulically released
Brakes - Service Inboard wet disc
Front Axle Fixed
Front Axle - Traction Aid Locking differential
Note (1) Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
Note (2) Offset rims available to meet European roading requirements.
Note (3) Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M.
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
Axles - Front 9.2gal (US)
Axles - Rear 9.2gal (US)
Cooling System 8.5gal (US)
Diesel Exhaust Fluid (DEF) Tank 5gal (US)
Engine Crankcase 5.3gal (US)
Fuel Tank 51.5gal (US)
Hydraulic System - Including Tank 44.9gal (US)
Hydraulic Tank 23.8gal (US)
Transmission - Gear Box 2.9gal (US)
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
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)
