336 Excavator

  • Specs Summary
  • Net Power
  • Operating Weight
    lb ( kg)
  • Bucket Capacities
    ( )
  • Engine Model
    ( )

988K 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 50 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988K XE brings improved sustainability and maximum efficiency to this machine platform.
  • Operating Weight lb ( kg)
  • Engine Model ( )
  • Transmission gal (US) ( l)
  • Tilt Cylinder - Bore in ( mm)
  • Differential - Final Drives - Rear gal (US) ( l)
  • Stroke in ( mm)
  • Oscillation Angle ( )
  • Dump 2.2 s (2.2 s)
  • Lift Cylinder - Stroke in ( mm)
  • Bore in ( mm)
  • Displacement in³ ( l)
  • Brakes ( )
  • Bucket Capacity Range ( )
  • Lift/Tilt System - Pump ( )
  • Transmission Type ( )
  • Tilt Cylinder - Stroke in ( mm)
  • Lower Float Down 3.5 s (3.5 s)
  • Engine Crankcase gal (US) ( l)
  • Bucket Capacities ( )
  • Steering Cut Off Pressure psi ( kPa)
  • Rack Back 4.5 s (4.5 s)
  • Steering System - Circuit ( )
  • Differential - Final Drives - Front gal (US) ( l)
  • Steering System - Pump ( )
  • Front ( )
  • Rear ( )
  • Operating Weight - Standard lb ( kg)
  • Fuel Tank gal (US) ( l)
  • Total Steering Angle ( )
  • Steering Cycle Times - High Idle 3.4 s (3.4 s)
  • Emissions ( )
  • Operating Weight - High Lift lb ( kg)
  • Lift/Tilt System - Circuit ( )
  • Steering Cycle Times - Low Idle 5.6 s (5.6 s)
  • Torque Rise ( )
  • Gross Power - SAE J1995 HP ( kW)
  • Peak Torque - 1,200 rpm - SAE J1995 lb/ft ( N·m)
  • Note ( )
  • Peak Power Speed ( )
  • Rated Speed ( )
  • Forward 4 (virtual) mile/h ( km/h)
  • Forward 2 (virtual) mile/h ( km/h)
  • Reverse 2 (virtual) mile/h ( km/h)
  • Reverse 1 (virtual) mile/h ( km/h)
  • Forward 1 (virtual) mile/h ( km/h)
  • Maximum Flow at 1,400-1,600 rpm gal/min ( l/min)
  • Hydraulic System - Implement/Steering gal (US) ( l)
  • Cooling Systems - Power Train gal (US) ( l)
  • Maximum Flow at 1,400-1,600 rpm gal/min ( l/min)
  • Rear Axle - Centerline to Bumper ft ( mm)
  • Ground to Lower Hitch Clearance ft ( mm)
  • Note ( )
  • Forward 3 (virtual) 13.8 mile/h (22.2 km/h)
  • Reverse 3 (virtual) 17.5 mile/h (28.2 km/h)
  • Air Conditioning ( )
  • Maximum Overall Height - Bucket Raised ft ( mm)
  • B-Pin Height - Maximum Lift ft ( mm)
  • Ground to Top of ROPS ft ( mm)
  • Rear Axle - Centerline to Bumper ft ( mm)
  • Clearance at Maximum Lift ft ( mm)
  • Ground to Bumper Clearance ft ( mm)
  • Ground to Top of Hood ft ( mm)
  • Diesel Exhaust Fluid Tank gal (US) ( l)
  • Ground to Top of Exhaust Stacks ft ( mm)
  • Front Axle Centerline to Bucket Tip ft ( mm)
  • Ground to Top of Exhaust Stacks ft ( mm)
  • Wheel Base ft ( mm)
  • Reach - Maximum Lift ft ( mm)
  • B-Pin Height - Maximum Lift ft ( mm)
  • Maximum Overall Length ft ( mm)
  • Reach - Maximum Lift ft ( mm)
  • Maximum Overall Length ft ( mm)
  • Ground to Top of ROPS ft ( mm)
  • Ground to Bumper Clearance ft ( mm)
  • Ground to Lower Hitch Clearance ft ( mm)
  • Ground to Center of Axles ft ( mm)
  • Ground to Center of Axles ft ( mm)
  • Front Axle Centerline to Bucket Tip ft ( mm)
  • Clearance at Maximum Lift ft ( mm)
  • Maximum Overall Height - Bucket Raised ft ( mm)
  • Ground to Top of Hood ft ( mm)
  • Cooling System - Jacket Water gal (US) ( l)
  • Wheel Base ft ( mm)
  • ROPS/FOPS ( )
  • Lift Cylinder - Bore in ( mm)
  • Raise s ( s)
  • Net Power - SAE J1349 HP ( kW)
  • Total Hydraulic Cycle Time 18.2 s (18.2 s)
  • Relief Valve Setting - Lift/Tilt psi ( kPa)
  • Rated Payload - Standard (Quarry Face) 12.5 ton (US) (11.3 t)
  • Rated Payload - Loose Material (Standard) ton (US) ( t)
  • Note (1) ( )
  • Note (2) ( )
  • Note (3) ( )
  • Note ( )

Standard Equipment

NOTE

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

ELECTRICAL

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

OPERATOR ENVIRONMENT

  • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
  • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
  • Air conditioner
  • Air conditioner
  • Cat Vision, rear vision camera system
  • 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
  • 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
  • Controls, lift and tilt function
  • Heater, defroster
  • Heater, defroster
  • Horn, electric
  • Horn, electric
  • Instrumentation, gauges<br>– Coolant temperature<br>– Engine hour meter<br>– Hydraulic oil temperature<br>– Power train oil temperature
  • Instrumentation, gauges<br>– Coolant temperature<br>– Engine hour meter<br>– Hydraulic oil temperature<br>– Power train oil temperature
  • Light, cab, dome
  • Light, cab, dome
  • Lunchbox, beverage holders
  • Lunchbox, beverage holders
  • CB radio-ready
  • CB radio-ready
  • Mirrors, rearview (externally mounted)
  • Mirrors, rearview (externally mounted)
  • Rimpull Control System
  • Rimpull Control System
  • Seat, Cat Comfort Series III, heated and ventilated, air suspension, six-way adjustable
  • Seat, Cat Comfort Series III, heated and ventilated, air suspension, six-way adjustable
  • Seat belt minder
  • Seat belt minder
  • Seat belt, retractable, 76 mm (3 in) wide
  • Seat belt, retractable, 76 mm (3 in) wide
  • STIC Control System
  • STIC Control System
  • UV glass
  • UV glass
  • Virtual gear indicator
  • Virtual gear indicator
  • Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
  • 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)<br>– Intermittent front and rear wipers
  • Wet-Arm wipers/washers (front and rear)<br>– Intermittent front and rear wipers
  • Lights, directional
  • Lights, directional

POWER TRAIN

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

ADDITIONAL EQUIPMENT

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

Optional Equipment

NOTE

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

POWER TRAIN

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

Other Optional Configurations

  • Aggregate Handler
  • Millyard
  • Load and Carry

OPERATOR ENVIRONMENT

  • Cab precleaner
  • Cat Detect, object detection system
  • Cab precleaner
  • AM/FM/CD/MP3 radio
  • AM/FM/CD/MP3 radio
  • Satellite Sirius radio with Bluetooth®
  • Satellite Sirius radio with Bluetooth®
  • LED warning strobe
  • LED warning strobe
  • Window pull down visor
  • Window pull down visor
  • Handrail mounted mirrors
  • Handrail mounted mirrors

ADDITIONAL EQUIPMENT

  • Front and rear roading fenders
  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)
  • Fast fill fuel system (Shaw-Aero)
  • Cold Weather Starting (extra starter plus two batteries)
  • Cold Weather Starting (extra starter plus two batteries)
  • Aggregate Handler
  • Aggregate Handler
  • Tire Pressure Monitoring System
  • Autodig feature, Tire Slip Prevention
  • Wheel Chocks��� �������������
  • EZ Clean cooling system
  • Autodig features, Auto Set Tires & Lift Stall Prevention
  • Autolube with Auto shutoff�������
  • Tire Pressure Monitoring System
  • Load and Carry Counterweight