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988K Millyard Arrangement

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Overview

Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency. The 988K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 988K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

Engine

  • Net Power 541.0 HP 403.0 kW
  • Engine Model Cat® C18 ACERT™ Cat® C18 ACERT™
  • Net Power - SAE J1349 541.0 HP 403.0 kW
  • Bore 5.7 in 145.0 mm
  • Stroke 7.2 in 183.0 mm
  • Displacement 1105.0 in³ 18.1 l
  • Torque Rise 58.0 % 58.0 %
  • Rated Speed 1,700 rpm 1,700 rpm
  • Emissions U.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent U.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
  • Gross - ISO 14396 580.0 HP 432.0 kW
  • Peak Power Speed 1,500 rpm 1,500 rpm
  • Peak Power Speed - 1,500 rpm - Gross - ISO 14396 580.0 HP 432.0 kW
  • Peak Power Speed - 1,500 rpm - Gross - SAE J1995 588.0 HP 439.0 kW
  • Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 541.0 HP 403.0 kW
  • Peak Torque - 1,200 rpm 2104.0 lb/ft 2852.0 N·m

Forks

  • Fork End Area 69.0 ft² 6.4 m²

Operating Specifications

  • Operating Weight 139920.0 lb 63600.0 kg
  • Tipping Load - Articulated 37° 68005.0 lb 30910.0 kg
  • Tipping Load - Straight 78115.0 lb 35500.0 kg

Transmission

  • Transmission Type Cat planetary power shift Cat planetary power shift
  • Forward - 1 4.0 mile/h 6.5 km/h
  • Forward - 2 7.2 mile/h 11.6 km/h
  • Forward - 3 12.7 mile/h 20.4 km/h
  • Forward - 4 21.6 mile/h 34.7 km/h
  • Reverse - 1 4.7 mile/h 7.5 km/h
  • Reverse - 2 8.3 mile/h 13.3 km/h
  • Reverse - 3 14.4 mile/h 23.2 km/h
  • Direct Drive - Forward 1 Lock-up disabled Lock-up disabled
  • Direct Drive - Forward 2 7.8 mile/h 12.5 km/h
  • Direct Drive - Forward 3 13.9 mile/h 22.3 km/h
  • Direct Drive - Forward 4 24.4 mile/h 39.3 km/h
  • Direct Drive - Reverse 1 5.0 mile/h 8.0 km/h
  • Direct Drive - Reverse 2 8.9 mile/h 14.3 km/h
  • Direct Drive - Reverse 3 15.8 mile/h 25.5 km/h

Hydraulic System - Lift/Tilt

  • Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 976 mm (9.25 in × 38.4 in) 235 mm × 976 mm (9.25 in × 38.4 in)
  • Cylinders, Double Acting - Tilt, Bore and Stroke 292 mm × 671 mm (11.5 in × 26.4 in) 292 mm × 671 mm (11.5 in × 26.4 in)
  • Lift/Tilt System Variable displacement piston Variable displacement piston
  • Maximum Flow 13.7 gal/min 52.0 l/min
  • Maximum Flow at 1,400-1,860 rpm 153.0 gal/min 580.0 l/min
  • Pilot System Variable displacement piston Variable displacement piston
  • Relief Valve Setting 580.0 psi 4000.0 kPa
  • Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing EH- Positive Flow Control, Flow Sharing
  • Relief Valve Setting - Lift/Tilt 4641.0 psi 32000.0 kPa

Service Refill Capacities

  • Fuel Tank 188.0 gal (US) 712.0 l
  • Cooling System 31.7 gal (US) 120.0 l
  • Crankcase 15.9 gal (US) 60.0 l
  • Transmission 31.7 gal (US) 120.0 l
  • Differential - Final Drives - Front 49.1 gal (US) 186.0 l
  • Differential - Final Drives - Rear 49.1 gal (US) 186.0 l
  • Hydraulic System - Tank Only 63.4 gal (US) 240.0 l
  • Diesel Exhaust Fluid Tank 8.7 gal (US) 33.0 l
  • Hydraulic System Factory Fill 125.5 gal (US) 475.0 l

Dimensions - Millyard Linkage

  • Dump Angle at Maximum Lift 39.4 ° 39.4 °
  • Fork Height at Maximum Lift 15.3 ft 4660.0 mm
  • Fork Height with Level Arms 8.1 ft 2468.0 mm
  • Fork Top Clamp Opening 12.3 ft 3741.0 mm
  • Front Axle Centerline to Fork Tip 15.6 ft 4765.0 mm
  • Ground to Bumper Clearance 3.1 ft 933.0 mm
  • Ground to Center of Front Axle 3.2 ft 978.0 mm
  • Ground to Lower Hitch Clearance 1.9 ft 568.0 mm
  • Ground to Top of Exhaust Stacks 13.8 ft 4214.0 mm
  • Ground to Top of Hood 10.9 ft 3334.0 mm
  • Ground to Top of ROPS 13.8 ft 4221.0 mm
  • Hinge Pin Height at Maximum Lift 16.1 ft 4918.0 mm
  • Maximum Overall Length 41.0 ft 12502.0 mm
  • Rear Axle - Centerline to Bumper 10.5 ft 3187.0 mm
  • Wheel Base 14.9 ft 4550.0 mm

Axles

  • Front Fixed Fixed
  • Rear Trunnion Trunnion
  • Oscillation Angle 13° 13°

Brakes

  • Brakes SAE J1473 OCT90, ISO 3450:1992 SAE J1473 OCT90, ISO 3450:1992

Hydraulic System - Steering

  • Steering System - Circuit Pilot, load sensing Pilot, load sensing
  • Steering System - Pump Piston, variable displacement Piston, variable displacement
  • Relief Valve Setting - Steering 4351.0 psi 30000.0 kPa
  • Maximum Flow 71.3 gal/min 270.0 l/min
  • Steering Cycle Times - High Idle 3.4 s 3.4 s
  • Steering Cycle Times - Low Idle 5.6 s 5.6 s
  • Total Steering Angle 74.0 ° 74.0 °

Sound Performance - Standard

  • Machine Sound Level (ISO 6395) 111.0 dB(A) 111.0 dB(A)
  • Operator Sound Level (ISO 6396) 71.0 dB(A) 71.0 dB(A)

Sound Performance - Suppression

  • Machine Sound Level (ISO 6395) 109.0 dB(A) 109.0 dB(A)
  • Operator Sound Level (ISO 6396) 70.0 dB(A) 70.0 dB(A)

Efficiency

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Structures

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Power Train

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Hydraulics

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Operator Station

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Technology Solutions

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Serviceability

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Customer Support

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Safety

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Sustainability

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Versatility

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988K Millyard Arrangement Standard Equipment

ELECTRICAL

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

OPERATOR ENVIRONMENT

  • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
  • Air conditioner
  • Cat Detect 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
  • Mirrors, rearview (externally mounted)
  • Rimpull Control System
  • Seat, Cat Comfort (cloth), air suspension, six-way adjustable
  • Seat belt, retractable, 76 mm (3 in) wide
  • STIC Control System
  • UV glass
  • Transmission 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

  • Swing out radiator system with 6 fpi radiator cores
  • Auto-reversing fan with adjustable controls and manual cycle
  • Hinged, perforated side doors
  • Brakes, oil-cooled, multi-disc, service/secondary
  • Case drain screens
  • Crankcase guard
  • Electro hydraulic parking brake
  • Engine, C18 MEUI diesel, turbocharged/aftercooled
  • Ground level engine shutoff
  • Turbine precleaner, engine air intake
  • Radiator, Next Generation Modular (NGMR)
  • Starting aid, ether, automatic
  • Throttle lock, electronic
  • Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
  • Transmission, planetary powershift, 4F/3R electronic control

OTHER

  • 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, 731 L (188 gal)
  • Hitch, drawbar with pin
  • Hoses, Cat XT™
  • Hydraulic, steering and brake filtration/screening system
  • Cat Clean Emission Module
  • Oil sampling valves
  • Premixed 50% 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

988K Millyard Arrangement Optional Equipment

POWER TRAIN

  • -50° C (-58° F) antifreeze
  • Engine oil change system, high speed, Wiggins
  • Engine block heater 120V or 240V
  • High ambient cooling - software

OPERATOR ENVIRONMENT

  • Cab precleaner
  • AM/FM/CD/MP3 radio
  • Satellite Sirius radio with bluetooth
  • LED warning strobe
  • CB radio ready
  • Window pull down visor

MISCELLANEOUS ATTACHMENTS

  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)

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