938M Aggregate Wheel Loader

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938M Aggregate – 2016, Tier 4 Final, Stage IV, NACD,EU,AUZ

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.
  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • POWER TRAIN
    • 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
  • 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)
    • 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
    • Product Link PRO with three year 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
    • 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
  • 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

Optional Equipment

  • 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)

Specs

Overview

Long Name:
938M Aggregate Handler Small Wheel Loader
Name:
938M Aggregate Handler
Brand:
Caterpillar
Status:
Current

Engine

Maximum Gross Power:
188 HP / 140 kW
Bore:
4 in / 105 mm
Stroke:
5 in / 135 mm
Displacement:
427 in³ / 7.01 l
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4):
664 ft·lbf / 900 N·m
Engine Model:
Cat® C7.1
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*):
642 ft·lbf / 870 N·m
Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4):
188 HP / 140 kW
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4):
1800 r/min / 1800 r/min
Maximum Rated Gross Power - ISO 14396:
188 HP / 140 kW
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*):
1600 r/min / 1600 r/min
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4):
649 ft·lbf / 880 N·m
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*):
173 HP / 129 kW
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*):
627 ft·lbf / 850 N·m
Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4):
650 ft·lbf / 882 N·m
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4):
186 HP / 137 kW
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4):
184 HP / 137 kW
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4):
190 HP / 140 kW
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4):
183 HP / 137 kW
Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*):
170 HP / 127 kW
Net Power (Standard Power Mode: Range 1-3*):
1600 r/min / 1600 r/min
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*):
176 HP / 129 kW
Net Power (Performance Power Mode: Range 1-4):
1800 r/min / 1800 r/min
Maximum Rated Gross Power - ISO 14396 (metric):
190 HP / 140 kW
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*):
172 HP / 127 kW
Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*):
628 ft·lbf / 852 N·m
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*):
170 HP / 127 kW

Buckets

Bucket Capacities:
2.9-5.0 m³ (3.8-6.5 yd³)

Weights

Operating Weight:
36839 lb / 16710 kg

Cab

ROPS:
ISO 3471:2008

Steering

Maximum Flow - Steering Pump:
34 gal/min / 130 l/min

Loader Hydraulic System

Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure:
4351 psi / 30000 kPa
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure:
4061 psi / 28000 kPa

Steering

Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited:
3.1 s / 3.1 s

Service Refill Capacities

Rear Axles:
9.2 gal (US) / 35 l

Loader Hydraulic System

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:
5.9 in / 150 mm

Power Train

Brakes - Parking:
Spring applied hydraulically released

Service Refill Capacities

Hydraulic System - Including Tank:
44.9 gal (US) / 170 l

Loader Hydraulic System

Relief Pressure - Tilt Cylinder:
4351 psi / 30000 kPa
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

Power Train

Rear Axle - Traction Aid - Optional:
Limited slip differential

Steering

Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed:
2.3 s / 2.3 s

Loader Hydraulic System

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:
3.5 in / 90 mm

Transmission

Forward and Reverse - Range 4:
25 mile/h / 40 km/h

Loader Hydraulic System

Maximum Flow - Implement Pump:
50 gal/min / 190 l/min

Transmission

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).

Loader Hydraulic System

Note (2):
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).

Service Refill Capacities

Hydraulic Tank:
23.8 gal (US) / 90 l

Power Train

Rear Axle - Oscillation Angle by Tire Size - 23.5 R25:
± 7 degrees

Service Refill Capacities

Diesel Exhaust Fluid (DEF) Tank:
5 gal (US) / 19 l

Loader Hydraulic System

Tilt Cylinder, Double Acting - Stroke:
21.9 in / 555 mm

Service Refill Capacities

Engine Crankcase:
5.3 gal (US) / 20 l

Steering

Steering Cylinder, Double Acting - Bore Diameter:
3.1 in / 80 mm

Power Train

Rear Axle:
Oscillating

Service Refill Capacities

Cooling System:
8.5 gal (US) / 32 l
Front Axles:
9.2 gal (US) / 35 l

Power Train

Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65:
± 10.5 degrees

Service Refill Capacities

Transmission - Gear Box:
2.9 gal (US) / 11 l
Fuel Tank:
51.5 gal (US) / 195 l

Steering

Steering Cylinder, Double Acting - Rod Diameter:
2 in / 50 mm

Power Train

Note (2):
Offset rims available to meet European roading requirements.

Loader Hydraulic System

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

Steering

Steering Cylinder, Double Acting - Stroke:
15.7 in / 399 mm

Loader Hydraulic System

Maximum Flow - Implement Pump - 4th Function Maximum Flow*:
42 gal/min / 160 l/min

Power Train

Note (1):
Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.

Loader Hydraulic System

Note (3):
* 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.

Power Train

Brakes - Service:
Outboard wet disc

Transmission

Forward and Reverse - Range 1*:
1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2:
8 mile/h / 13 km/h

Cab

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.

Transmission

Forward and Reverse - Range 3:
17 mile/h / 27 km/h

Loader Hydraulic System

Lift Cylinder, Double Acting - Stroke:
31.1 in / 789 mm
Maximum Working Pressure - Implement Pump:
4061 psi / 28000 kPa
Lift Cylinder, Double Acting - Bore Diameter:
4.7 in / 120 mm

Power Train

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.

Loader Hydraulic System

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

Power Train

Front Axle:
Fixed

Cab

FOPS:
ISO 3449:2005 LEVEL II

Steering

Note (1):
Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.

Power Train

Front Axle - Traction Aid*:
Locking differential (standard)

Loader Hydraulic System

Lift Cylinder, Double Acting - Rod Diameter:
2.6 in / 65 mm

Steering

Maximum Working Pressure - Steering Pump:
3500 psi / 24130 kPa

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.

Cab

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

Note (2):
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).

Loader Hydraulic System

Maximum Flow - Implement Pump - 3rd Function Maximum Flow*:
50 gal/min / 190 l/min

Operating Specifications

Full Turn Tip Load (2):
10 662 kg (23,504 lb)^
Full Turn Tip Load (1):
10 551 kg (23,260 lb)**

Weights

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 Specifications

Note (2):
^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires.

Weights

Operating Weight (1):
16 199 kg (35,712 lb)**

Operating Specifications

Note (1):
**Aggregate Handler machine equipped with full counterweight and optional guards.