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.
Net Power
541.0 HP
Engine Model
Cat® C18 ™
Net Power - SAE J1349
541.0 HP
Specification
Value
Net Power
541.0 HP
Engine Model
Cat® C18 ™
Net Power - SAE J1349
541.0 HP
Bore
5.7 in
Stroke
7.2 in
Displacement
1105.0 in³
Torque Rise
58.0 %
Rated Speed
1700/min
Peak Power Speed - 1,500 rpm - Gross - ISO 14396
580.0 HP
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
541.0 HP
Emissions
U.S. EPA Tier 4 Final/EU Stage V Technology or Tier 2 Equivalent
Peak Torque - 1,200 rpm
2104.0 lb/ft
Gross - ISO 14396
580.0 HP
Peak Power Speed
1500/min
Peak Power Speed - 1,500 rpm - Gross - SAE J1995
588.0 HP
Specification
Value
Fork End Area
69.0 ft²
Specification
Value
Operating Weight
139920.0 lb
Tipping Load - Straight
78115.0 lb
Tipping Load - Articulated 37°
68005.0 lb
Specification
Value
Transmission Type
Cat-Planetenlastschaltgetriebe
Forward - 1
4.0 mile/h
Forward - 2
7.2 mile/h
Forward - 3
12.7 mile/h
Forward - 4
21.6 mile/h
Reverse - 1
4.7 mile/h
Reverse - 2
8.3 mile/h
Reverse - 3
14.4 mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.8 mile/h
Direct Drive - Forward 3
13.9 mile/h
Direct Drive - Forward 4
24.4 mile/h
Direct Drive - Reverse 1
5.0 mile/h
Direct Drive - Reverse 2
8.9 mile/h
Direct Drive - Reverse 3
15.8 mile/h
Specification
Value
Maximum Flow
13.7 gal/min
Pilot System
Variable displacement piston
Maximum Flow at 1,400-1,860 rpm
153.0 gal/min
Relief Valve Setting - Main
580.0 psi
Cylinders, Double Acting - Tilt, Bore and Stroke
292 mm × 671 mm (11.5 in × 26.4 in)
Cylinders, Double Acting - Lift, Bore and Stroke
235 mm × 976 mm (9.25 in × 38.4 in)
Lift/Tilt System
Variable displacement piston
Lift/Tilt System - Circuit
EH- Positive Flow Control, Flow Sharing
Relief Valve Setting - Lift/Tilt
4641.0 psi
Specification
Value
Fuel Tank
188.0 gal (US)
Cooling System
31.7 gal (US)
Crankcase
15.9 gal (US)
Transmission
31.7 gal (US)
Differential - Final Drives - Front
49.1 gal (US)
Differential - Final Drives - Rear
49.1 gal (US)
Hydraulic System - Tank Only
63.4 gal (US)
Hydraulic System Factory Fill
125.5 gal (US)
Diesel Exhaust Fluid Tank
8.7 gal (US)
Specification
Value
Fork Top Clamp Opening
12.3 ft
Dump Angle at Maximum Lift
39.4 °
Ground to Top of Hood
10.9 ft
Front Axle Centerline to Fork Tip
15.6 ft
Fork Height at Maximum Lift
15.3 ft
Wheel Base
14.9 ft
Ground to Lower Hitch Clearance
1.9 ft
Rear Axle - Centerline to Bumper
10.5 ft
Ground to Center of Front Axle
3.2 ft
Maximum Overall Length
41.0 ft
Ground to Top of ROPS
13.8 ft
Fork Height with Level Arms
8.1 ft
Ground to Bumper Clearance
3.1 ft
Hinge Pin Height at Maximum Lift
16.1 ft
Ground to Top of Exhaust Stacks
13.8 ft
Specification
Value
Front
Fixed
Rear
Trunnion
Oscillation Angle
13°
Specification
Value
Brakes
SAE J1473 OKT90, ISO 3450:1992
Specification
Value
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Relief Valve Setting - Steering
4351.0 psi
Steering Cycle Times - High Idle
3.4 s
Steering Cycle Times - Low Idle
5.6 s
Maximum Flow
71.3 gal/min
Total Steering Angle
74.0 °
Specification
Value
Operator Sound Level (ISO 6396)
71.0 dB(A)
Machine Sound Level (ISO 6395)
111.0 dB(A)
Specification
Value
Machine Sound Level (ISO 6395)
109.0 dB(A)
Operator Sound Level (ISO 6396)
70.0 dB(A)
