938M Aggregate Handler Small Wheel Loader

Product description

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.

Engine
  • Maximum Gross Power - 188HP
  • Bore - 4in
  • Stroke - 5in
  • Displacement - 427in³
  • Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) - 188HP
  • Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) - 1800r/min
  • Maximum Rated Gross Power - ISO 14396 - 188HP
  • Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) - 1600r/min
  • Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) - 649ft·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.
  • Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) - 173HP
  • Emissions - The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards.
  • Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) - 627ft·lbf
  • Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4) - 650ft·lbf
  • Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) - 186HP
  • Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) - 184HP
  • Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4) - 190HP
  • 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
  • Net Power (Standard Power Mode: Range 1-3*) - 1600r/min
  • Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*) - 176HP
  • Net Power (Performance Power Mode: Range 1-4) - 1800r/min
  • Maximum Rated Gross Power - ISO 14396 (metric) - 190HP
  • Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) - 172HP
  • Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*) - 628ft·lbf
  • Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) - 170HP
  • Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) - 664ft·lbf
  • Engine Model - Cat® C7.1
  • Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) - 642ft·lbf
Weights
  • Operating Weight - 36839lb
  • Note (2) - ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
  • Note (1) - **Aggregate Handler machine equipped with full counterweight and optional guards.
  • Operating Weight (2) - 16 710 kg (36,839 lb)^
  • Operating Weight (1) - 16 199 kg (35,712 lb)**
Buckets
  • Bucket Capacities - 2.9-5.0 m3 (3.8-6.5 yd3)
Cab
  • ROPS - ISO 3471:2008
  • 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.
  • FOPS - ISO 3449:2005 LEVEL II
  • 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)*
Steering
  • Maximum Flow - Steering Pump - 34gal/min
  • Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited - 3.1s
  • Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed - 2.3s
  • Steering Cylinder, Double Acting - Bore Diameter - 3.1in
  • Steering Cylinder, Double Acting - Rod Diameter - 2in
  • Steering Cylinder, Double Acting - Stroke - 15.7in
  • Note (1) - Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
  • Maximum Working Pressure - Steering Pump - 3500psi
  • Note (2) - Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Loader Hydraulic System
  • Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure - 4351psi
  • Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure - 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.
  • Tilt Cylinder, Double Acting - Bore Diameter - 5.9in
  • Relief Pressure - Tilt Cylinder - 4351psi
  • 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 - 3.5in
  • Maximum Flow - Implement Pump - 50gal/min
  • Note (2) - Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
  • Tilt Cylinder, Double Acting - Stroke - 21.9in
  • 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 - 4th Function Maximum Flow* - 42gal/min
  • Note (3) - * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
  • Lift Cylinder, Double Acting - Stroke - 31.1in
  • Maximum Working Pressure - Implement Pump - 4061psi
  • Lift Cylinder, Double Acting - Bore Diameter - 4.7in
  • 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 - 2.6in
  • Maximum Flow - Implement Pump - 3rd Function Maximum Flow* - 50gal/min
Service Refill Capacities
  • Rear Axles - 9.2gal (US)
  • Hydraulic System - Including Tank - 44.9gal (US)
  • Hydraulic Tank - 23.8gal (US)
  • Diesel Exhaust Fluid (DEF) Tank - 5gal (US)
  • Engine Crankcase - 5.3gal (US)
  • Cooling System - 8.5gal (US)
  • Front Axles - 9.2gal (US)
  • Transmission - Gear Box - 2.9gal (US)
  • Fuel Tank - 51.5gal (US)
Power Train
  • 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)
Transmission
  • 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).
  • 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
Air Conditioning System
  • 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.
Operating Specifications
  • Full Turn Tip Load (2) - 10 662 kg (23,504 lb)^
  • Full Turn Tip Load (1) - 10 551 kg (23,260 lb)**
  • Note (2) - ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.
  • Note (1) - **Aggregate Handler machine equipped with full counterweight and optional guards.
Standard Equipment:
  • Power Train
    • 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
  • Hydraulics
    • 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
  • Electrical
    • 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
  • Operator Environment
    • 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
  • Other Standard Equipment
    • 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
Optional Equipment:
  • Cab, Deluxe (standard In Europe):
    • Automatic blower control
    • Electrically adjustable heated mirrors (2)
    • LED interior lighting
    • Secondary display to adjust settings
  • Optional Equipment
    • 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)
  • Cold Start Package:
    • Ether starting aid, block heater and additional batteries 1,000 CCA (4 in total)
  • Guards
    • Power train, (lower, side, driveshaft and crankcase)
    • Windshield and lights
    • Cylinders, tilt and steering
  • 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
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