988 XE Wheel Loader

At a Glance

Net Power - SAE J1349

538 HP

Operating Weight

116362 lb

Engine Model

Cat® C18 ™

Engine Power - ISO 14396:2002

580 HP

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Overview

Engine

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Net Power - SAE J1349	538HP
Engine Model	Cat® C18 ™
Engine Power - ISO 14396:2002	580HP
Gross Power - SAE J1995:2014	588HP
Rated Speed	1,700 rpm
Emissions	U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Peak Power Speed	1,500 rpm
Bore	5.7in
Stroke	7.2in
Displacement	1105in³
Peak Torque - 1,200 rpm - SAE J1995	2230ft·lbf
Torque Rise	58%

Operating Specifications

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Operating Weight	116362lb
Operating Weight - Standard	116362lb
Operating Weight - High Lift	119618lb
Rated Payload - Standard (Quarry Face)	12.5ton (US)
Rated Payload - Loose Material (Standard)	16ton (US)
Bucket Capacity Range	4.7-13 m3 (6.2-17 yd3)

Transmission

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Transmission Type	Cat switched reluctance electric drive
Forward 1 (virtual)	4.3mile/h
Forward 2 (virtual)	7mile/h
Forward 3 (virtual)	13.8mile/h
Forward 4 (virtual)	20mile/h
Reverse 1 (virtual)	4.3mile/h
Reverse 2 (virtual)	7mile/h
Reverse 3 (virtual)	17.5mile/h

Hydraulic System - Lift/Tilt

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Lift/Tilt System - Circuit	EH-Positive Flow Control, Flow Sharing
Lift/Tilt System - Pump	Variable displacement piston
Maximum Flow at 1,400-1,600 rpm	153gal/min
Relief Valve Setting - Lift/Tilt	4757psi
Lift Cylinder - Bore	8.7in
Lift Cylinder - Stroke	41.3in
Tilt Cylinder - Bore	8.7in
Tilt Cylinder - Stroke	27in

Hydraulic Cycle Times

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Rack Back	4.5s
Raise	8s
Dump	2.2s
Lower Float Down	3.5s
Total Hydraulic Cycle Time	18.2s

Hydraulic System - Steering

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Steering System - Circuit	Pilot, load sensing
Steering System - Pump	Piston, variable displacement
Maximum Flow at 1,400-1,600 rpm	71.3gal/min
Steering Cut Off Pressure	4351psi
Total Steering Angle	86°
Steering Cycle Times - High Idle	3.4s
Steering Cycle Times - Low Idle	5.6s

Air Conditioning System

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Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Axles

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Front	Fixed
Rear	Trunnion
Oscillation Angle	13°

Brakes

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Brakes

ISO 3450:2011

Operator's Cab

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ROPS/FOPS

ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Service Refill Capacities

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Fuel Tank	147gal (US)
Cooling System - Jacket Water	30gal (US)
Cooling Systems - Power Train	8gal (US)
Engine Crankcase	16gal (US)
Diesel Exhaust Fluid Tank	8.7gal (US)
Transmission	16gal (US)
Differential - Final Drives - Front	49gal (US)
Differential - Final Drives - Rear	49gal (US)
Hydraulic System - Implement/Steering	126gal (US)
Note	All nonroad Tier 4 Final/Stage V diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less). – Cat engines are compatible with the following renewable, alternati

Sound Performance - Tier 4 Final / Stage V - Standard

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Operator Sound Pressure Level (ISO 6396:2008)	72dB(A)
Machine Sound Power Level (ISO 6395:2008)	109dB(A)

Sound Performance - Tier 3 / Stage III - Standard

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Operator Sound Pressure Level (ISO 6396:2008)	72dB(A)
Machine Sound Power Level (ISO 6395:2008)	110dB(A)

Dimensions (Approximate) - Standard Lift

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Ground to Top of ROPS	13.8ft
Ground to Top of Exhaust Stacks	14.8ft
Ground to Top of Hood	10.9ft
Ground to Bumper Clearance	3.1ft
Rear Axle - Centerline to Bumper	10.5ft
Front Axle Centerline to Bucket Tip	14ft
Wheel Base	14.9ft
Maximum Overall Length	39.3ft
Ground to Lower Hitch Clearance	1.9ft
Ground to Center of Axles	3.2ft
Clearance at Maximum Lift	11.9ft
B-Pin Height - Maximum Lift	18ft
Maximum Overall Height - Bucket Raised	24.5ft
Reach - Maximum Lift	6.5ft
Note	Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.

Dimensions (Approximate) - High Lift

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Ground to Top of ROPS	13.8ft
Ground to Top of Exhaust Stacks	14.8ft
Ground to Top of Hood	10.9ft
Ground to Bumper Clearance	3.1ft
Rear Axle - Centerline to Bumper	10.5ft
Front Axle Centerline to Bucket Tip	15.3ft
Wheel Base	14.9ft
Maximum Overall Length	40.7ft
Ground to Lower Hitch Clearance	1.9ft
Ground to Center of Axles	3.2ft
Clearance at Maximum Lift	13.3ft
B-Pin Height - Maximum Lift	19.3ft
Maximum Overall Height - Bucket Raised	25.8ft
Reach - Maximum Lift	6.8ft
Note	Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.

Dimensions - Millyard Linkage

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Ground to Top of ROPS	13.8ft
Ground to Top of Exhaust Stacks	13.8ft
Ground to Top of Hood	10.9ft
Ground to Bumper Clearance	3.1ft
Rear Axle - Centerline to Bumper	10.5ft
Front Axle Centerline to Fork Tip	16.5ft
Wheel Base	14.9ft
Maximum Overall Length	41.9ft
Ground to Lower Hitch Clearance	1.9ft
Ground to Center of Front Axle	3.2ft
Fork Height with Level Arms	8.1ft
Fork Top Clamp Opening	13.1ft
Fork Height at Maximum Lift	17.2ft
Hinge Pin Height at Maximum Lift	16.1ft
Dump Angle at Maximum Lift	-39.4°

Buckets

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Bucket Capacities

4.7-13 m3 (6.2-17 yd3)

Sustainability

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Recyclability

96%

Standard Equipment:

Note

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Standard and optional equipment may vary. Consult your Cat dealer for details.

Electrical

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Alarm, back-up
Alternator, single 150 amp
Batteries, dry
Converter, 10/15 amp, 24V to 12V
Lighting system (LED, work lights, access and service platform lighting)
Starting and charging system, 24V
Jump start receptacle
Starter lockout in bumper
Transmission lockout in bumper
Hazardous voltage lamp

Operator Environment

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Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
Air conditioner
Cat Vision, rear vision camera system
Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12‑volt 5-amp) and power port
Controls, lift and tilt function
Heater, defroster
Horn, electric
Instrumentation, gauges
– Coolant temperature
– Engine hour meter
– Hydraulic oil temperature
– Power train oil temperature
Light, cab, dome
Lunchbox, beverage holders
CB radio-ready
Mirrors, rearview (externally mounted)
Rimpull Control System
Seat, Deluxe
Seat belt minder
Seat belt, retractable, 76 mm (3 in) wide
STIC Control System
UV glass
Virtual gear indicator
Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
Wet-Arm wipers/washers (front and rear)
– Intermittent front and rear wipers
Lights, directional

Power Train

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Brakes, oil-cooled, multi-disc, service/secondary
Case drain screens
Electro hydraulic parking brake
Engine, C18 MEUI diesel, turbocharged/aftercooled
Ground level engine shutoff
Turbine precleaner, engine air intake
Radiator, Aluminum Modular Radiator (AMR)
Starting aid, ether, automatic
Throttle lock, electronic
Manual switch and automatic fuel priming
Cat Production Measurement ready
Cat switched reluctance (SR) generator/pump drive
Cat switched reluctance (SR) drive motor
Cat Integrated Powered Electronics
Automatic retarding controls

Additional Equipment

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Automatic bucket lift kickout/positioner
Base machine price includes a rim allowance
Hydraulically driven demand fan
Couplings, Cat O-ring face seals
Doors, service access (locking)
Ecology drains for engine, radiator, hydraulic tank
Fuel tank, 555 L (147 gal)
Hitch, drawbar with pin
Hoses, Cat XT^™
Hydraulic, steering and brake filtration/screening system
Cat Clean Emission Module
Oil sampling valves
Premixed 50 percent concentration of extended life coolant with freeze protection to –34° C (–29° F)
Rear access to cab and service platform
Steering, load sensing
Toe kicks
Vandalism protection caplocks

Optional Equipment:

Note

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Standard and optional equipment may vary. Consult your Cat dealer for details.

Power Train

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–50° C (–58° F) antifreeze
Engine oil change system, high speed, Wiggins
Engine block heater 120V or 240V
High ambient cooling – software
Cat Production Measurement
Crankcase guard
Engine brake, software enabled attachment (SEA)

Other Optional Configurations

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Load and Carry
Millyard
Aggregate Handler

Operator Environment

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Cab precleaner
Cat Detect, object detection system
Cat Production Measurement
Radio, AM/FM/CD/MP3 Bluetooth^® with Satellite SiriusXM
LED warning strobe
Window pull down visor
Handrail mounted mirrors

Additional Equipment

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Front and rear roading fenders
Fast fill fuel system (Shaw-Aero)
Cold Weather Package: Additional Starter and 2 Batteries, Engine Block Heater 120V or 240V, Heated Fuel Lines
Engine Compartment Lights
Autolube with Auto shutoff
High Performance LED Lighting
Wheel Chocks
Operator Coaching
Tire Pressure Monitoring System
Autodig, Tire Slip Prevention, Auto Set Tires, and Lift Stall Prevention
Additional Counterweight

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