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.
Maximum Gross Power 188 HP
Operating Weight 36839 lb
Bucket Capacities 2.9-5.0 m3 (3.8-6.5 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
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 (Performance Power Mode: Range 1-4) 650ft·lbf
Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*) 628ft·lbf
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) 649ft·lbf
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 627ft·lbf
Maximum Rated Gross Power - ISO 14396 188HP
Maximum Rated Gross Power - ISO 14396 (metric) 190HP
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) **Aggregate Handler machine equipped with full counterweight and optional guards.
Note (2) ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Operating Weight 36839lb
Operating Weight (1) 16 199 kg (35,712 lb)**
Operating Weight (2) 16 710 kg (36,839 lb)^
Bucket Capacities 2.9-5.0 m3 (3.8-6.5 yd3)
Declared Sound Levels
Declared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)*
– Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
FOPS ISO 3449:2005 LEVEL II
Note (1) * 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.
ROPS ISO 3471:2008
Maximum Flow - Steering Pump 34gal/min
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
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 4.7in
Lift Cylinder, Double Acting - Rod Diameter 2.6in
Lift Cylinder, Double Acting - 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 secondary 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, Double Acting - Bore Diameter 5.9in
Tilt Cylinder, Double Acting - Rod Diameter 3.5in
Tilt Cylinder, Double Acting - Stroke 21.9in
Cooling System 8.5gal (US)
Diesel Exhaust Fluid (DEF) Tank 5gal (US)
Engine Crankcase 5.3gal (US)
Front Axles 9.2gal (US)
Fuel Tank 51.5gal (US)
Hydraulic System - Including Tank 44.9gal (US)
Hydraulic Tank 23.8gal (US)
Rear Axles 9.2gal (US)
Transmission - Gear Box 2.9gal (US)
Brakes - Parking Spring applied hydraulically released
Brakes - Service Outboard wet disc
Front Axle Fixed
Front Axle - Traction Aid* Locking differential (standard)
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 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 - Traction Aid - Optional Limited slip differential
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 secondary display when equipped. Factory default is 7 km/h (4.4 mph).
Recyclability 94%
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.
Full Turn Tip Load (1) 10 551 kg (23,260 lb)**
Full Turn Tip Load (2) 10 662 kg (23,504 lb)^
Note (1) **Aggregate Handler machine equipped with full counterweight and optional guards.
Note (2) ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
Axle Duo-Cone™ seal guards
Axle seal guards
Auto idle shut down feature
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)
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)
Coded start (requires secondary display)
Coolant protection to –34° C (–29° F)
Differential lock in front axle
Differential lock in front axle
Enclosed wet disc full hydraulic brakes
Dry type air cleaner
Hydraulically driven demand cooling fan
Enclosed wet disc full hydraulic brakes
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
Fuel priming pump, automatic
Parking brake, electric
Fuel water separator
Single plane cooling package wide six fins per inch density
Hydraulically driven demand cooling fan
Oil sampling ports
Intelligent hydrostatic transmission: – Power train modes – Directional Shift Aggressiveness – Rimpull control, adjust wheel torque – Creeper control, adjust ground speed
Throttle lock and max speed limiter
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
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)
Automatic lift, lower and tilt kickouts
Load sensing hydraulics and steering
Bucket and Fork Modes, adjustable in-cab
Seat-mounted hydraulic joystick controls
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
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
Alternator, 115-amp, heavy duty
Product Link PRO with three year subscription
12V power supply in cab (2)
Remote jump start post
Batteries, 1,000 CCA (2) 24 volt system
Resettable main and critical function breakers
Back-up alarm
Emergency shutdown switch
Heavy duty gear reduction starter
Product Link PRO with 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
75 mm (3 in) retractable seat belt, with audible alarm and indicator
Hydraulic control lockout
Automatic temperature control
Mirror, single
Cab, enclosed and pressurized
Lunch box storage
Cup holders
Radio ready speakers
External heated mirrors with lower parabolic
Rear window defrost, electric
Ground level cab door release
Column mounted multi function control – lights, wipers, turn signal
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
Tilt and telescopic steering wheel
Hydraulic control lockout
Tinted front glass
Interior cab lighting, door and dome
Wet arm wiper/washer, 2-speed and intermittent, front, lights, wipers, turn signal
Interior rearview mirrors (2)
Suspension seat, fabric
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
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
Large-access enclosure doors
Parallel lift loader linkage
Recovery hitch with pin
Remote mounted lubrication points
Lockable compartments and enclosures
Automatic blower control
Electrically adjustable heated mirrors (2)
LED interior lighting
Secondary display to adjust settings
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)
Ether starting aid, block heater and additional batteries 1,000 CCA (4 in total)
Power train, (lower, side, driveshaft and crankcase)
Windshield and lights
Cylinders, tilt and steering
Radio ready with Bluetooth
Radio, AM/FM with Bluetooth and clock
Radio, AM/FM with CD player deluxe, weatherband, Bluetooth and clock
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.
Dual mode and Secondary
Bias ply, 17.5, 20.5-25
Radial, 17.5, 20.5, 23.5, 550/65, 600/65, 650/65 R25
