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 ™
Bore
5.4 in
Stroke
6 in
Displacement
1649.5 in³
Torque Rise
18 %
Emissions
Entspricht EPA Tier 4 Final/Tier 2 (USA)
Gross - ISO 14396
752 HP
Net Power - SAE J1349
699 HP
Peak Torque - 1,200 rpm
2624 lb/ft
Rated Speed
1800 r/min
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
204693 lb
Rated Payload
17.5 t
Bucket Capacity Range
8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Cat Truck Match - Standard
773-775
Rated Payload - Standard
17.5 t

Buckets

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

Transmission

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

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°

Hydraulic Cycle Times

Raise
9.4 s
Dump
2.9 s
Lower
3.7 s
Lower Float Down
3.6 s
Rack Back
4.8 s
Total Hydraulic Cycle Time - Empty Bucket
15.9 s

Service Refill Capacities

Fuel Tank
294.3 gal (US)
Cooling System
54.9 gal (US)
Transmission
29.1 gal (US)
Differential - Final Drives - Front
71.6 gal (US)
Differential - Final Drives - Rear
68.9 gal (US)
Engine Crankcase
20 gal (US)
Hydraulic System Factory Fill
210 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan
68.9 gal (US)
Hydraulic Tank - Steering and Braking
34.9 gal (US)

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
Lift/Tilt System - Circuit
Positive flow control
Maximum Flow at 1,800 rpm (1)
22.2 gal/min
Maximum Flow at 1,800 rpm (2)
216 gal/min
Pilot System
Open loop and pressure reducing
Relief Valve Setting - Main
507 psi
Relief Valve Setting - Lift/Tilt
4786 psi

Hydraulic System - Steering

Maximum Flow at 1,400 rpm
94.5 gal/min
Relief Valve Setting - Steering
4641 psi
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
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)

Dimensions - Standard Lift - Approximate

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

Brakes

Brakes
SAE J1473 OKT90, ISO 3450:1992