988K Millyard Arrangement

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988K Millyard Arrangement

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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. ...
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Engine

Net Power
541HP
Engine Model
Cat® C18 ACERT™
Net Power - SAE J1349
541HP
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Torque Rise
58%
Rated Speed
1,700 rpm
Emissions
U.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
Gross - ISO 14396
580HP
Peak Power Speed
1,500 rpm
Peak Power Speed - 1,500 rpm - Gross - ISO 14396
580HP
Peak Power Speed - 1,500 rpm - Gross - SAE J1995
588HP
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
541HP
Peak Torque - 1,200 rpm
2104lb/ft

Operating Specifications

Operating Weight
139920lb
Tipping Load - Straight
78115lb
Tipping Load - Articulated 37°
68005lb

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
4mile/h
Forward - 2
7.2mile/h
Forward - 3
12.7mile/h
Forward - 4
21.6mile/h
Reverse - 1
4.7mile/h
Reverse - 2
8.3mile/h
Reverse - 3
14.4mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.8mile/h
Direct Drive - Forward 3
13.9mile/h
Direct Drive - Forward 4
24.4mile/h
Direct Drive - Reverse 1
5mile/h
Direct Drive - Reverse 2
8.9mile/h
Direct Drive - Reverse 3
15.8mile/h

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
13°

Hydraulic System - Steering

Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Relief Valve Setting - Steering
4351psi
Total Steering Angle
74°
Steering Cycle Times - Low Idle
5.6s
Steering Cycle Times - High Idle
3.4s
Maximum Flow
71.3gal/min

Service Refill Capacities

Fuel Tank
188gal (US)
Cooling System
31.7gal (US)
Crankcase
15.9gal (US)
Transmission
31.7gal (US)
Differential - Final Drives - Front
49.1gal (US)
Differential - Final Drives - Rear
49.1gal (US)
Hydraulic System - Tank Only
63.4gal (US)
Diesel Exhaust Fluid Tank
8.7gal (US)
Hydraulic System Factory Fill
125.5gal (US)

Hydraulic System - Lift/Tilt

Pilot System
Variable displacement piston
Maximum Flow at 1,400-1,860 rpm
153gal/min
Cylinders, Double Acting - Tilt, Bore and Stroke
292 mm × 671 mm (11.5 in × 26.4 in)
Lift/Tilt System
Variable displacement piston
Maximum Flow
13.7gal/min
Relief Valve Setting
580psi
Cylinders, Double Acting - Lift, Bore and Stroke
235 mm × 976 mm (9.25 in × 38.4 in)
Lift/Tilt System - Circuit
EH- Positive Flow Control, Flow Sharing
Relief Valve Setting - Lift/Tilt
4641psi

Forks

Fork End Area
69ft²

Dimensions - Millyard Linkage

Dump Angle at Maximum Lift
39.4°
Fork Height at Maximum Lift
15.3ft
Fork Height with Level Arms
8.1ft
Fork Top Clamp Opening
12.3ft
Front Axle Centerline to Fork Tip
15.6ft
Ground to Bumper Clearance
3.1ft
Ground to Center of Front Axle
3.2ft
Ground to Lower Hitch Clearance
1.9ft
Ground to Top of Exhaust Stacks
13.8ft
Ground to Top of Hood
10.9ft
Ground to Top of ROPS
13.8ft
Hinge Pin Height at Maximum Lift
16.1ft
Maximum Overall Length
41ft
Rear Axle - Centerline to Bumper
10.5ft
Wheel Base
14.9ft

Sound Performance - Standard

Machine Sound Level (ISO 6395)
111dB(A)
Operator Sound Level (ISO 6396)
71dB(A)

Sound Performance - Suppression

Machine Sound Level (ISO 6395)
109dB(A)
Operator Sound Level (ISO 6396)
70dB(A)

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992

Standard Equipment:

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)