988K Millyard Arrangement

988K Millyard Arrangement

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.

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POWERFUL EFFICIENCY

LONG TERM VALUE AND DURABILITY

PROVEN RELIABILITY

PERFORMANCE AND PRODUCTIVITY

OPERATOR COMFORT AND CONTROL

PRODUCTIVITY WITH TECHNOLOGY

SAVE ON SERVICE AND MAINTENANCE

TOP-TIER SERVICE AND SUPPORT

SAFETY FIRST

REDUCE ENVIRONMENT IMPACT

OPTIONS TO MEET YOUR NEEDS

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Documents & Brochures

Standard Equipment

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

Additional information

Engine - Net Power

403.0 kW ( 541.0 HP )
Engine Model

Cat® C18 ™
Engine - Net Power - SAE J1349

403.0 kW ( 541.0 HP )
Engine - Bore

145.0 mm ( 5.7 in )
Engine - Stroke

183.0 mm ( 7.2 in )
Engine - Displacement

18.1 l ( 1105.0 in³ )
Engine - Torque Rise

58.0 % ( 58.0 % )
Engine - Rated Speed

1700/min
Engine - Peak Power Speed - 1,500 rpm - Gross - ISO 14396

432.0 kW ( 580.0 HP )
Engine - Peak Power Speed - 1,500 rpm - Net Power - SAE J1349

403.0 kW ( 541.0 HP )
Engine - Emissions

U.S. EPA Tier 4 Final/EU Stage V Technology or Tier 2 Equivalent
Engine - Peak Torque - 1,200 rpm

2852.0 N·m ( 2104.0 lb/ft )
Engine - Gross - ISO 14396

432.0 kW ( 580.0 HP )
Engine - Peak Power Speed

1500/min
Engine - Peak Power Speed - 1,500 rpm - Gross - SAE J1995

439.0 kW ( 588.0 HP )
Forks - Fork End Area

6.4 m² ( 69.0 ft² )
Operating Specifications - Operating Weight

63600.0 kg ( 139920.0 lb )
Operating Specifications - Tipping Load - Straight

35500.0 kg ( 78115.0 lb )
Operating Specifications - Tipping Load - Articulated 37°

30910.0 kg ( 68005.0 lb )
Transmission Type

Cat-Planetenlastschaltgetriebe
Transmission - Forward - 1

6.5 km/h ( 4.0 mile/h )
Transmission - Forward - 2

11.6 km/h ( 7.2 mile/h )
Transmission - Forward - 3

20.4 km/h ( 12.7 mile/h )
Transmission - Forward - 4

34.7 km/h ( 21.6 mile/h )
Transmission - Reverse - 1

7.5 km/h ( 4.7 mile/h )
Transmission - Reverse - 2

13.3 km/h ( 8.3 mile/h )
Transmission - Reverse - 3

23.2 km/h ( 14.4 mile/h )
Transmission - Direct Drive - Forward 1

Lock-up disabled
Transmission - Direct Drive - Forward 2

12.5 km/h ( 7.8 mile/h )
Transmission - Direct Drive - Forward 3

22.3 km/h ( 13.9 mile/h )
Transmission - Direct Drive - Forward 4

39.3 km/h ( 24.4 mile/h )
Transmission - Direct Drive - Reverse 1

8.0 km/h ( 5.0 mile/h )
Transmission - Direct Drive - Reverse 2

14.3 km/h ( 8.9 mile/h )
Transmission - Direct Drive - Reverse 3

25.5 km/h ( 15.8 mile/h )
Hydraulic System - Lift/Tilt - Maximum Flow

52.0 l/min ( 13.7 gal/min )
Hydraulic System - Lift/Tilt - Pilot System

Variable displacement piston
Hydraulic System - Lift/Tilt - Maximum Flow at 1,400-1,860 rpm

580.0 l/min ( 153.0 gal/min )
Hydraulic System - Lift/Tilt - Relief Valve Setting - Main

4000.0 kPa ( 580.0 psi )
Hydraulic System - Lift/Tilt - Cylinders, Double Acting - Tilt, Bore and Stroke

292 mm × 671 mm (11.5 in × 26.4 in)
Hydraulic System - Lift/Tilt - Cylinders, Double Acting - Lift, Bore and Stroke

235 mm × 976 mm (9.25 in × 38.4 in)
Hydraulic System - Lift/Tilt - Lift/Tilt System

Variable displacement piston
Hydraulic System - Lift/Tilt - Lift/Tilt System - Circuit

EH- Positive Flow Control, Flow Sharing
Hydraulic System - Lift/Tilt - Relief Valve Setting - Lift/Tilt

32000.0 kPa ( 4641.0 psi )
Service Refill Capacities - Fuel Tank

712.0 l ( 188.0 gal (US) )
Service Refill Capacities - Cooling System

120.0 l ( 31.7 gal (US) )
Service Refill Capacities - Crankcase

60.0 l ( 15.9 gal (US) )
Service Refill Capacities - Transmission

120.0 l ( 31.7 gal (US) )
Service Refill Capacities - Differential - Final Drives - Front

186.0 l ( 49.1 gal (US) )
Service Refill Capacities - Differential - Final Drives - Rear

186.0 l ( 49.1 gal (US) )
Service Refill Capacities - Hydraulic System - Tank Only

240.0 l ( 63.4 gal (US) )
Service Refill Capacities - Hydraulic System Factory Fill

475.0 l ( 125.5 gal (US) )
Service Refill Capacities - Diesel Exhaust Fluid Tank

33.0 l ( 8.7 gal (US) )
Dimensions - Millyard Linkage - Fork Top Clamp Opening

3741.0 mm ( 12.3 ft )
Dimensions - Millyard Linkage - Dump Angle at Maximum Lift

39.4 ° ( 39.4 ° )
Dimensions - Millyard Linkage - Ground to Top of Hood

3334.0 mm ( 10.9 ft )
Dimensions - Millyard Linkage - Front Axle Centerline to Fork Tip

4765.0 mm ( 15.6 ft )
Dimensions - Millyard Linkage - Fork Height at Maximum Lift

4660.0 mm ( 15.3 ft )
Dimensions - Millyard Linkage - Wheel Base

4550.0 mm ( 14.9 ft )
Dimensions - Millyard Linkage - Ground to Lower Hitch Clearance

568.0 mm ( 1.9 ft )
Dimensions - Millyard Linkage - Rear Axle - Centerline to Bumper

3187.0 mm ( 10.5 ft )
Dimensions - Millyard Linkage - Ground to Center of Front Axle

978.0 mm ( 3.2 ft )
Dimensions - Millyard Linkage - Maximum Overall Length

12502.0 mm ( 41.0 ft )
Dimensions - Millyard Linkage - Ground to Top of ROPS

4221.0 mm ( 13.8 ft )
Dimensions - Millyard Linkage - Fork Height with Level Arms

2468.0 mm ( 8.1 ft )
Dimensions - Millyard Linkage - Ground to Bumper Clearance

933.0 mm ( 3.1 ft )
Dimensions - Millyard Linkage - Hinge Pin Height at Maximum Lift

4918.0 mm ( 16.1 ft )
Dimensions - Millyard Linkage - Ground to Top of Exhaust Stacks

4214.0 mm ( 13.8 ft )
Axles - Front

Fixed
Axles - Rear

Trunnion
Axles - Oscillation Angle

13°
Brakes

SAE J1473 OKT90, ISO 3450:1992
Hydraulic System - Steering - Steering System - Circuit

Pilot, load sensing
Hydraulic System - Steering - Steering System - Pump

Piston, variable displacement
Hydraulic System - Steering - Relief Valve Setting - Steering

30000.0 kPa ( 4351.0 psi )
Hydraulic System - Steering - Steering Cycle Times - High Idle

3.4 s ( 3.4 s )
Hydraulic System - Steering - Steering Cycle Times - Low Idle

5.6 s ( 5.6 s )
Hydraulic System - Steering - Maximum Flow

270.0 l/min ( 71.3 gal/min )
Hydraulic System - Steering - Total Steering Angle

74.0 ° ( 74.0 ° )
Sound Performance - Standard - Operator Sound Level (ISO 6396)

71.0 dB(A) ( 71.0 dB(A) )
Sound Performance - Standard - Machine Sound Level (ISO 6395)

111.0 dB(A) ( 111.0 dB(A) )
Sound Performance - Suppression - Machine Sound Level (ISO 6395)

109.0 dB(A) ( 109.0 dB(A) )
Sound Performance - Suppression - Operator Sound Level (ISO 6396)

70.0 dB(A) ( 70.0 dB(A) )

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