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990K Millyard Arrangement Wheel Loader

990K Millyard Arrangement Wheel Loader

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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. The 990K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 990K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

Engine

Net Power
699 hp
Engine Model
Cat® C27 ACERT™
Bore
5.4 in
Stroke
6.0 in
Displacement
1649.5 in3
Torque Rise
18.0 %
Rated Speed
1,800 rpm
Net Power – SAE J1349
699 hp
Emissions
U.S. EPA Tier 4 Final or Tier 2 equivalent
Gross (ISO 14396)
752 hp
Peak Torque @ 1,200 rpm
2624 lbf-ft
Rated Speed: Gross (ISO 14396)
752 hp
Rated Speed: Gross (SAE J1995)
766 hp
Rated Speed: Net Power – SAE J1349 (High Ambient)
648 hp
Rated Speed: Net Power – SAE J1349 (Standard Ambient)
699 hp

Operating Specifications

Operating Weight
202398 lb
Tipping Load – Straight
92990 lb
Tipping Load – Articulated 35°
81896 lb

Transmission

Transmission Type
Cat planetary power shift
Forward 1
4.5 mph
Forward 2
8.3 mph
Forward 3
14.2 mph
Reverse 1
4.9 mph
Reverse 2
9.1 mph
Reverse 3
15.5 mph
Direct Drive Forward 1
Lock-up disabled
Direct Drive Forward 2
8.5 mph
Direct Drive Forward 3
15.2 mph
Direct Drive Reverse 1
5.4 mph
Direct Drive Reverse 2
9.6 mph
Direct Drive Reverse 3
16.4 mph
Note
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Hydraulic System – Lift/Tilt

Cylinders, Double Acting: Lift, Bore and Stroke
254 mm × 1264 mm (10.0 in × 49.8 in)
Cylinders, Double Acting: Tilt, Bore and Stroke
317.5 mm × 819 mm (12.5 in × 32.2 in)
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,800 rpm
216 gal/min
Maximum Flow at 1,800 rpm
22.2 gal/min
Pilot System
Open loop and pressure reducing
Relief Valve Setting
507 psi
Lift/Tilt System – Circuit
Positive flow control
Relief Valve Setting – Lift/Tilt
4786 psi

Hydraulic Cycle Time

Raise
9.4 Seconds
Dump
2.9 Seconds
Rack Back
4.8 Seconds
Lower
3.7 Seconds
Lower Float Down
3.6 Seconds

Service Refill Capacities

Fuel Tank
294.3 gal
Cooling System
54.9 gal
Transmission
29.1 gal
Differentials and Final Drives – Front
71.6 gal
Differentials and Final Drives – Rear
68.9 gal
Engine Crankcase
20.0 gal
Hydraulic System Factory Fill
210.0 gal
Hydraulic Tank (Implement and Hydraulic Fan)
68.9 gal
Hydraulic Tank (Steering and Braking)
34.9 gal

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992

Hydraulic System – Steering

Steering System – Circuit
Pilot, load sensing
Steering System – Pump
Piston, variable displacement
Relief Valve Setting – Steering
4641 psi
Maximum Flow @ 1,400 rpm
94.5 gal/min
Total Steering Angle
70°

Sound Performance – Standard

Machine Sound Level (ISO 6395:2008)
115 dB(A)
Operator Sound Level (ISO 6396:2008)
69 dB(A)

Sound Performance – Suppression

Machine Sound Level (ISO 6395:2008)
113 dB(A)
Operator Sound Level (ISO 6396:2008)
69 dB(A)

Forks

Fork End Area
78 ft2

Dimensions – Millyard Linkage (Approximate)

Ground to Top of ROPS
17.2 ft
Ground to Top of Exhaust Stack
16.6 ft
Ground to Top of Hood
12.7 ft
Ground to Bumper Clearance
3.1 ft
Rear Axle Center Line to Bumper
12.5 ft
Front Axle Center Line to Fork Tip
17.6 ft
Wheelbase
15.1 ft
Maximum Overall Length
45.4 ft
Ground to Lower Hitch Clearance
2.0 ft
Ground to Center of Front Axle
3.9 ft
Fork Height with Level Arms
8.9 ft
Fork Top Clamp Opening
12.3 ft
Fork Height at Maximum Lift
18.3 ft
Hinge Pin Height at Maximum Lift
19.4 ft
Dump Angle at Maximum Lift
29.3 degrees