938M Aggregate Handler Small Wheel Loader

Equipment

938M Aggregate Handler Standard Equipment

POWER TRAIN

Axle seal guards
Auto idle shut down feature
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)
Coolant protection to –34° C (–29° F)
Differential lock in front axle
Dry type air cleaner
Enclosed wet disc full hydraulic brakes
Fuel priming pump, automatic
Fuel water separator
Hydraulically driven demand cooling fan
Intelligent hydrostatic transmission: – Power train modes – Directional Shift Aggressiveness – Rimpull control, adjust wheel torque – Creeper control, adjust ground speed
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
Bucket and Fork Modes, adjustable in-cab
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
12V power supply in cab (2)
Batteries, 1,000 CCA (2) 24 volt system
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) retractable seat belt, with audible alarm and indicator
Automatic temperature control
Cab, enclosed and pressurized
Cup holders
External heated mirrors with lower parabolic
Ground level cab door release
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
Hydraulic control lockout
Interior cab lighting, door and dome
Interior rearview mirrors (2)
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
Parallel lift loader linkage
Recovery hitch with pin
Remote mounted lubrication points
Lockable compartments and enclosures

938M Aggregate Handler Optional Equipment

Cab, deluxe (standard in Europe):

Automatic blower control
Electrically adjustable heated mirrors (2)
LED interior lighting
Secondary display to adjust settings

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

Overview

The Cat 938M Aggregate Handler sets a new standard for productivity, fuel efficiency and comfort. A high torque, low speed C7.1 ACERT 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 the new industry benchmark.

Engine

Buckets

Bucket Capacities 2.9-3.2 m3 (3.8-4.2 yd3) 2.9-3.2 m3 (3.8-4.2 yd3)

Weights

Operating Weight 36075.0 lb 16368.0 kg

Cab

ROPS ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II ISO 3471: 2008, FOPS: ISO 3449: 2005 LEVEL II
Declared Sound Levels – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)* – Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)* – Exterior Sound Power Level (ISO 6395:2008): 101 dB(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 closed. * 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 closed.
Note (2) The Blue Angel environmental label is an optional attachment for Europe only. The Blue Angel environmental label is an optional attachment for Europe only.

Loader Hydraulic System

Operating Specifications

Full Turn Tip Load 23466.0 lb 10647.0 kg

Power Train

Brakes - Parking Spring applied hydraulically released Spring applied hydraulically released
Brakes - Service Outboard wet disc Outboard wet disc
Front Axle Fixed Fixed
Front Axle - Traction Aid** Locking differential (standard) Locking differential (standard)
Note (1) Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. 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. 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. **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 Oscillating
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 ± 10.5 degrees ± 10.5 degrees
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 ± 7 degrees ± 7 degrees
Rear Axle - Traction Aid - Optional Limited slip differential Limited slip differential

Service Refill Capacities

Cooling System 8.5 gal (US) 32.0 l
Diesel Exhaust Fluid (DEF) Tank 5.0 gal (US) 19.0 l
Engine Crankcase 5.3 gal (US) 20.0 l
Front Axles 9.2 gal (US) 35.0 l
Fuel Tank 51.5 gal (US) 195.0 l
Hydraulic System - Including Tank 44.9 gal (US) 170.0 l
Hydraulic Tank 23.8 gal (US) 90.0 l
Rear Axles 9.2 gal (US) 35.0 l
Transmission - Gear Box 2.9 gal (US) 11.0 l

Steering

Maximum Flow - Steering Pump 34.0 gal/min 130.0 l/min
Maximum Steering Torque - 0° (Straight Machine) 42506.0 ft·lbf 57630.0 N·m
Maximum Steering Torque - 40° (Full Turn) 31398.0 ft·lbf 42570.0 N·m
Maximum Working Pressure - Steering Pump 3500.0 psi 24130.0 kPa
Note (1) Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. 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). 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 2.3 s 2.3 s
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited 3.1 s 3.1 s
Steering Cylinder, Double Acting - Bore Diameter 3.1 in 80.0 mm
Steering Cylinder, Double Acting - Rod Diameter 2.0 in 50.0 mm
Steering Cylinder, Double Acting - Stroke 15.7 in 399.0 mm

Transmission

Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph) 1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2 8.0 mile/h 13.0 km/h
Forward and Reverse - Range 3 17.0 mile/h 27.0 km/h
Forward and Reverse - Range 4 25.0 mile/h 40.0 km/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). * 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).

Benefits & Features

Application Specific Configuration

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Increased Payload

Additional counterweight improves stability without reducing ground clearance or departure angle to maximize performance.

Long Life Sand and Gravel Buckets

Performance Series Buckets deliver higher fill factors and better material retention for significant productivity and fuel efficiency improvements. The buckets feature a long floor, open throat, curved side bars and additional serviceable wear plates including corner guards.

Protect your Power Train

Increase your fording depths with optional elevated breathers. Remote mounted high on the machine for the front and rear axles and hydrostatic gear box. Allows settling pond clean out without contamination.

Customize Your Experience

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Work as one with your machine by customizing the controls.

Flexible Power Train

A smooth, stepless electronically controlled hydrostatic transmission provides adjustable power to the ground with excellent groundspeed control and customizable feel.

Select your Power Train Mode: – Torque Converter (TC) for smooth rollout. – Hystat for aggressive engine braking. – Default mode which blends the best of Hystat and Torque Converter characteristics.
Reduce tire wear using Rimpull control which enables you to match available tractive power to underfoot conditions.
Set Directional Shift Response, soft and smooth for material handling applications or sharp for aggressive operation.

Adjustable Electro Hydraulic Controls

Easily customize the hydraulic performance through secondary display to optimize your efficiency.

Optimize hydraulic modulation with Fine Mode control when working with forks.
Quicker hydraulic response for fine grading at speed and quick functions through Lift and Tilt response settings.
Fully adjustable ride control activation speed along with 3rd function auxiliary flow for powering a broom.

Operator Profiles and Coded Start

The M Series Wheel Loaders remember your personal settings with unique operator codes to make this machine truly yours and keep it secure on the job site.

Efficiently Powerful

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Intelligent Power Management

The Caterpillar exclusive Intelligent Power Management system monitors operator input and power availability to keep the machine working at peak efficiency.

Power on Demand

A choice of Power Modes allows you to choose between maximum fuel efficiency or boosted power along with increased hydraulic speed to get your job done faster.

Standard Power Mode

Saves up to 10% fuel while running at an efficient 1,600 rpm.
Recommended for load and carry to maximize fuel efficiency.
Power-by-range logic increases power in speed Range 4 automatically to maximize travel speed and grade climbing performance.
Reduces cab sound levels down to a whisper quiet 64 dB(A) typical.

Performance Power Mode

Enabled at the push of a button (HP+)
Boosts engine power by up to 10% in all speed ranges.
Boosts engine speed by over 12%.
Increases hydraulic cycle times and productivity.

Six Cylinders of Efficient Power

The Cat C7.1 ACERT engine provides cleaner, quieter operation while delivering superior performance and durability through a high torque, low speed design. The engine meets Tier 4 Final and Stage IV emission standards with a Clean Emissions Module that is designed to manage itself so you can concentrate on your work.

No downtime for regeneration with a passive low temperature system that keeps you on the job.
Fit for Life Diesel Particulate Filter that is designed to exceed the engine overhaul life.
Extended fluid fill intervals with minimal use of Diesel Exhaust Fluid (DEF) with up to four fuel tank fills per DEF fill.
Configurable auto idle shut down based on time and ambient temperature to further reduce fuel burn and keep operating costs low.
Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).

Power to the Ground

Lock up and go with fully locking front differential axles that can be engaged on the move at full torque with the pull of a trigger on the seat mounted joystick. Maximize your traction with optional Limited Slip Differential on the rear axle to keep you climbing.

Independent service brakes on front and rear axles provide robust stopping performance while a push button electronic park brake allows you to safely secure the machine with ease.

Work Made Easy

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Optimized Z-bar Linkage

The Caterpillar patented and optimized Z-bar linkage combines the digging efficiency of a traditional Z-bar with integrated tool carrier capabilities for great performance and versatility.

Perfect Parallelism functionality available in Fork Mode gives truly predictable performance while high tilt forces throughout the working range help you safely and confidently handle loads with precise control.
Visibility to bucket corners and fork tips at ground level remain excellent while sight lines at maximum lift are improved with a Generation II lift arm design.

Quick Loading, Performance Series Buckets

Performance Series Sand and Gravel Buckets deliver up to 10% higher fill factors and better material retention for significant productivity and fuel efficiency improvements. The buckets feature a longer floor to take a bigger bite of the pile, an open throat to heap higher and curved side bars to help with material retention. Wear plates on the sides and bottom maximize bucket life in abrasive aggregate rehandling applications.

Smooth and Predictable Multi-Function Performance

M Series machines feature an electro-hydraulic control system that is governed by the Intelligent Power Management system for peak efficiency. The load-sensing, variable flow system senses work demand and adjusts flow and pressure to match the operators request.

Multi-Function without compromise through Caterpillar's exclusive dedicated hydraulic systems featuring three pumps. – 1st pump for Intelligent Hydrostatic drive – 2nd pump for implements – 3rd pump for steering system

Drive, lift and steer simultaneously with smooth, predictable control. The M Series simply does what you ask it to.

Programmable in-cab kick-outs are easy to set on the go for tilt, lower and lift. This feature is ideal for applications where the work cycle is repeatable allowing you to quickly return to programmed set points maximizing cutting edge life.
Fine tune hydro-mechanical performance with fully adjustable 3rd function flow through the secondary display (when equipped) for a perfect marriage between machine and attachments.

Enjoy All Day Comfort

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Have a Seat and Experience:

Seat-mounted controls featuring a low effort joystick for lift and tilt functions along with integrated Forward/Neutral/Reverse switch, differential lock trigger and optional third and fourth auxiliary functions.
Superior all around visibility with single piece front windshield, new parabolic external mirrors, redesigned Generation II linkage and clean hydraulic lines routing.
Automatic climate control with heated rear glass and external mirrors for a quick defrost.
Fully adjustable controls including steering column, joystick and seat suspension.
Information at a glance with large primary LCD display and full color secondary display.
An extra eye on the job site with rear view camera and optional integrated rear object detection.
A heated and cooled seat option for added comfort in a wide range of climates.

An easy day at work with:

A spacious, safe, quiet operator environment featuring ergonomic controls, seat belt notification and optional Bluetooth radio with integrated microphone plus an auxiliary port.
Easy access to vital machine parameters with the optional secondary display, working in conjunction with the standard soft touch panel to allow real time adjustments to machine features and an integrated help button with over 25 languages.
Comfortable soft stops at cylinder end stroke conditions and programmable kickout points with Caterpillar's exclusive electro-hydraulic cylinder snubbing.
An even smoother ride with optional Ride Control when working unloaded and loaded with excellent material retention.
Early starts and late finishes are made easier with optional LED lighting package that includes engine compartment lighting to illuminate the way for checking oil, and coolant level along with refueling the machine in dark conditions.

Configured for Success

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The Way You Want It

A complete range of optional equipment and work tools give you the versatility to configure an Aggregate Handler to be successful in your business. Get with your Cat dealer to configure yours.

Guards:

Lights
Drive shaft
Side power train
Lower power train
Crank case

Debris Packages:

Elevated breathers: axles and gear box
Reversing fan
Sealed alternator
Turbine precleaner

Operator Environment:

Seat, deluxe or premium
Quick steer
Deluxe cab (with display)

Work Tools

Full range of tools

Other Options:

Autolube
Coupler: Fusion™ and ISO
Auxiliary hydraulics: 3rd and 4th
Windshield washing platform
Ride Control
Fenders: extended and full coverage
Aggregate weight set
Cold start package
Rear object detection
Blue Angel certification
Beacon
LED auxiliary lights

Service

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Get up and running quickly with ground level, daily service access and optional engine compartment lighting. Three large service doors can be opened and closed in any order to give full access to filters and service points. Extended service intervals on hydraulic and power train filters reduce service time and maximize uptime. Additional service features include:

Product Link™ PRO standard with three year subscription to VisionLink®.
Maintenance reminders through secondary display at scheduled intervals.
Fit for Life Diesel Particulate Filter that is designed to exceed the engine overhaul life.
Quick fuel filter service with Caterpillar's exclusive electric fuel priming pump.
Jump start studs as standard equipment.
Extended cleanouts with single plane cooling system and wide spaced 6 fins per inch coolers as standard.
Integrated Autolube (optional) with adjustable greasing frequency.

Customer Support

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Renowned Cat Dealer Support

Rely on your Cat dealer to help you every step of the way with new or used machine sales, rental or rebuild options to meet your business needs.

Maximize your machine uptime with unsurpassed worldwide parts availability, trained technicians and customer support agreements.

Let us earn your business. Experience an M Series Small Wheel Loader and join the Caterpillar family.

938M Aggregate Handler

938M Aggregate Handler

View Product Downloads

Equipment

938M Aggregate Handler Standard Equipment

938M Aggregate Handler Optional Equipment

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Specifications

Overview

Engine

Buckets

Weights

Cab

Loader Hydraulic System

Operating Specifications

Power Train

Service Refill Capacities

Steering

Transmission

Benefits & Features

Application Specific Configuration

See more

Increased Payload

Long Life Sand and Gravel Buckets

Protect your Power Train

Customize Your Experience

See more

Flexible Power Train

Adjustable Electro Hydraulic Controls

Operator Profiles and Coded Start

Efficiently Powerful

See more

Intelligent Power Management

Power on Demand

Standard Power Mode

Performance Power Mode

Six Cylinders of Efficient Power

Power to the Ground

Work Made Easy

See more

Optimized Z-bar Linkage

Quick Loading, Performance Series Buckets

Smooth and Predictable Multi-Function Performance

Enjoy All Day Comfort

See more

Have a Seat and Experience:

An easy day at work with:

Configured for Success

See more

The Way You Want It

Guards:

Debris Packages:

Operator Environment:

Work Tools

Other Options:

Service

See more

Customer Support

See more

Renowned Cat Dealer Support

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