990K Wheel Loader Steel Mill Arrangement

990K Wheel Loader Steel Mill Arrangement

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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 at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in steel mill applications where larger machines have typically been used. The 990K Steel Mill Arrangement brings all new levels of performance, safety, operator comfort and efficiency in pit digging and skull handling applications.

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 %
Net Power – SAE J1349
699 hp
Rated Speed
1800 rpm
Emissions
U.S. EPA Tier 4 Final/Tier 2 Equivalent
Gross (ISO 14396)
752 hp
Rated Speed: Gross (ISO 14396)
752 hp
Rated Speed: Gross (SAE J1995)
766 hp
Rated Speed: Net Power – SAE J1349 (Standard Ambient)
699 hp
Rated Speed: Net Power – SAE J1349 (High Ambient)
648 hp
Peak Torque @ 1,200 rpm
2624 lbf-ft

Operating Specifications

Operating Weight
204693 lb
Rated Payload
17.5 tons
Bucket Capacity Range
8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Rated Payload – Standard
17.5 tons
Cat Truck Match – Standard
773-775

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
22.2 gal/min
Maximum Flow at 1,800 rpm
216 gal/min
Pilot System
Open loop and pressure reducing
Relief Valve Setting – Lift/Tilt
4786 psi
Lift/Tilt System – Circuit
Positive flow control
Relief Valve Setting
507 psi

Service Refill Capacities

Fuel Tank
294.3 gal
Cooling System
54.9 gal
Transmission
29.1 gal
Engine Crankcase
20.0 gal
Differentials and Final Drives – Front
71.6 gal
Differentials and Final Drives – Rear
68.9 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

Buckets

Bucket Capacities
8.6-9.2 m3 (11.2-12.0 yd3)

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°

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
Total Hydraulic Cycle Time (empty bucket)
15.9 Seconds

Sound Performance – Standard

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

Sound Performance – Suppression

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

Dimensions – Standard Lift (Approximate)

Ground to Top of ROPS
17.2 ft
Ground to Top of Exhaust Stacks
16.6 ft
Ground to Top of Hood
12.7 ft
Ground to Bumper Clearance
3.5 ft
Rear Axle Centerline to Bumper
12.5 ft
Front Axle Centerline to Bucket Tip
14.2 ft
Wheelbase
15.1 ft
Maximum Overall Length
41.8 ft
Ground to Lower Hitch Clearance
2.0 ft
Ground to Center of Front Axle
3.9 ft
Clearance at Maximum Lift
13.4 ft
Rack Back Angle at Ground Level
40.4 degrees
Rack Back Angle at Carry
48.8 degrees
B-Pin Height at Maximum Lift
19.2 ft
Maximum Overall Height, Bucket Raised
27.0 ft
Rack Angle at Maximum Lift
63.7 degrees
Dump Angle at Maximum Lift
47.4 degrees
Reach at Maximum Lift
7.2 ft