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988 XE Wheel Loader
Exterior View
Exterior View
Interior View
Interior View

988 XE Wheel Loader

Engine Power – ISO 14396:2002580 hp
Engine ModelCat® C18
Rated Speed1,700 rpm
Peak Power Speed1,500 rpm
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Learn more about our 988 XE Wheel Loader

Cat® Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton.
Introduced in 1963, the 988 has been the industry leader for over 60 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988 XE brings improved sustainability and maximum efficiency to this machine platform.

Engine Power - ISO 14396:2002
580hp
Engine Model
® C18" data-metric=""> Cat® C18
Rated Speed
1,700 rpm
Peak Power Speed
1,500 rpm
Gross Power - SAE J1995:2014
588hp
Net Power - SAE J1349:2011
538hp
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Peak Torque - 1,200 rpm
2230lbf·ft
Torque Rise
58%
Note (1)
Two engine emissions options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (2)
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Operating Weight
116362lb
Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)
Rated Payload - Quarry Face
12.5t
Rated Payload - Loose Material
16t
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
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
153gpm
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
Rack Back
4.5s
Raise
8s
Dump
2.2s
Lower Float Down
3.5s
Total Hydraulic Cycle Time
18.2s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Maximum Flow at 1,400-1,600 rpm
71.3gpm
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
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system con
Front
Fixed
Rear
Trunnion
Oscillation Angle
13°
Brakes
ISO 3450:2011
ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Operator Sound Pressure Level (ISO 6396:2008)
72dB(A)
Machine Sound Power Level (ISO 6395:2008)
109dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)**
109dB(A)
Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”
Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701
Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Operator Sound Pressure Level (ISO 6396:2008)
72dB(A)
Machine Sound Power Level (ISO 6395:2008)
110dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110dB(A)
Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”
Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701
Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
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
Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: • 20%
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
Specifications 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.
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
Specifications 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.
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°
Standard and optional equipment may vary. Consult your Cat dealer for details.
Alarm, back-up
Alternator, single 150 amp
Batteries, dry
High voltage indicator light
Lighting system (LED, work lights, access and service platform lighting)
Starting and charging system, 24V
Auxiliary jump start receptacle
Starter lockout in bumper
Transmission lockout in bumper
Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
Air conditioner
Cat Vision, rear vision camera system
Cat Production Measurement ready
Cab, sound suppressed and pressurized, integrated rollover protective structure / falling objects 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
– Powertrain oil temperature
Light, cab, dome
Lunchbox, beverage holders
CB radio-ready
Mirrors, rearview (externally mounted)
Rimpull Control System (RCS)
Seat, Deluxe
Seat belt minder
Seat belt, retractable, 76 mm (3 in) wide
Steering and Transmission Integrated Control (STIC™) system
UV glass
Virtual gear indicator
Vital Information Management System (VIMS™) with Graphical Information Display: External Data Port
Wet-arm wipers/washers (front and rear)
– Intermittent front and rear wipers
Lights, directional
Brakes, oil-cooled, multi-disc, service/secondary
Hydraulic system case drain screens
Electro hydraulic parking brake
Engine, C18 Mechanically Actuated Electronic Unit Injection (MEUI™) diesel, turbocharged/aftercooled
Engine oil change system, high speed, Wiggins
Ground level engine shutdown switch
Turbine precleaner, engine air intake
Radiator, Aluminum Modular Radiator (AMR)
Single Pedal Mode with three levels of dynamic braking
Starting aid, ether, automatic
Throttle lock, electronic
Manual switch and automatic fuel priming
Cat switched reluctance (SR) generator/pump drive
Cat switched reluctance (SR) drive motor
Cat Integrated Powered Electronics
Automatic retarding controls
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 (CEM)
Operator assist feature, Tire Slip Prevention
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
Standard and optional equipment may vary. Consult your Cat dealer for details.
–50° C (–58° F) antifreeze
Engine block heater 120V or 240V
High ambient cooling – software
Crankcase guard
Engine brake, software enabled attachment (SEA)
Cab precleaner
Cat Detect, object detection system
Cat Production Measurement
Radio, AM/FM/CD/MP3 Bluetooth®
LED warning strobe
Window pull down visor
Handrail mounted mirrors
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 service lights
Autolube with Auto shutoff
Generative braking
Wheel Chocks
Operator Coaching
Tire Pressure Monitoring System
Operator assist features, Auto Set Tires, and Lift Stall Prevention
Additional Counterweight
Aggregate Handler
Millyard
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