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938M Waste Handler Small Wheel Loader

938M Waste Handler Small Wheel Loader

At a Glance

Maximum Gross Power
188 HP
Operating Weight
41794 lb
Bucket Capacities
3.0-5.0 m3 (3.9-6.5 yd3)
Bore
4 in
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Overview

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.

Engine

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Maximum Gross Power 188HP
Bore 4in
Stroke 5in
Displacement 427in³
Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) 628ft·lbf
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800r/min
Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) 650ft·lbf
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 - 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 Net Torque - SAE J1349 (Performance [HP+] Power Mode: Range 1-4) 649ft·lbf
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 642ft·lbf
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 627ft·lbf
Engine Model Cat® C7.1
Emissions The Cat C7.1 engine meets U.S. EPA Tier 4 Final/EU Stage V and Korea Tier 4 Final emission standards.
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.
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186HP
Engine Power - ISO 14396 188HP
Engine Power - ISO 14396 - Metric 190HP
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4) 190HP
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184HP
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 183HP
Net Power (Standard Power Mode: Range 1-3*) 1600r/min
Net Power (Performance Power Mode: Range 1-4) 1800r/min
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*) 176HP
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170HP
Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170HP
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 172HP

Weights

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Operating Weight 41794lb
Operating Weight (1) 17 258 kg (38,046 lb)**
Operating Weight (2) 18 958 kg (41,794 lb)^
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.
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.

Buckets

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

Cab

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ROPS ISO 3471:2008
FOPS ISO 3449:2005 LEVEL II
Declared Sound Levels - Exterior Sound Power Level (ISO 6395:2008)* 101dB(A)
Declared Sound Levels - Operator Sound Pressure Level (ISO 6396:2008)* 68dB(A)
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

Steering

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Maximum Steering Torque - 40° (Full Turn) 31398ft·lbf
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
Maximum Flow - Steering Pump 34gal/min
Maximum Steering Torque - 0° (Straight Machine) 42506ft·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 Cylinder, Double Acting - Bore Diameter 3.1in
Steering Cylinder, Double Acting - Rod Diameter 2in
Steering Cylinder, Double Acting - Stroke 15.7in

Loader Hydraulic System

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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 (1) Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder.
Maximum Flow - Implement Pump 50gal/min
Maximum Working Pressure - Implement Pump 4061psi
Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
Relief Pressure - Tilt Cylinder 4351psi
Maximum Flow - Implement Pump - 4th Function Maximum Flow* 42gal/min
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 4351psi
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 4061psi
Note (3) * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped.
Maximum Flow - Implement Pump - 3rd Function Maximum Flow* 50gal/min
Lift Cylinder: Standard Lift Linkage - Stroke 31.1in
Tilt Cylinder: Standard Lift Linkage - Rod Diameter 3.5in
Lift Cylinder: Standard Lift Linkage - Rod Diameter 2.6in
Tilt Cylinder: Standard Lift Linkage - Bore Diameter 5.9in
Lift Cylinder: Standard Lift Linkage - Bore Diameter 4.7in
Tilt Cylinder: Standard Lift Linkage - Stroke 21.9in

Transmission

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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).

Power Train

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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 - Parking Spring applied hydraulically released
Brakes - Service Inboard wet disc
Front Axle Fixed
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
Front Axle - Traction Aid Locking differential
Rear Axle - Oscillation Angle by Tire Size - Solid Tires, 750/65, 620/65, Skidder ± 7 degrees

Service Refill Capacities

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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)
Axles - Rear 9.2gal (US)
Axles - Front 9.2gal (US)

Operating Specifications

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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.
Full Turn Tip Load (1) 9795 kg (21,594 lb)**
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.
Full Turn Tip Load (2) 10 741 kg (23,679 lb)^

Air Conditioning System

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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.