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990K Wheel Loader Steel Mill Arrangement

990K Wheel Loader Steel Mill Arrangement

At a Glance

Net Power
699 HP
Operating Weight
204693 lb
Bucket Capacities
8.6-9.2 m3 (11.2-12.0 yd3)
Engine Model
Cat® C27 ™
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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.


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Net Power 699HP
Engine Model Cat® C27 ™
Bore 5.4in
Stroke 6in
Displacement 1649.5in³
Gross - ISO 14396 752HP
Peak Torque - 1,200 rpm 2624lb/ft
Emissions Entspricht EPA Tier 4 Final/Tier 2 (USA)
Net Power - SAE J1349 699HP
Rated Speed 1800r/min
Rated Speed - Gross - ISO 14396 752HP
Rated Speed - Gross - SAE J1995 766HP
Rated Speed - Net Power - SAE J1349 - High Ambient 648HP
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699HP

Operating Specifications

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


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


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


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Front Fixed
Rear Trunnion
Oscillation Angle 8.5°

Hydraulic Cycle Times

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

Service Refill Capacities

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

Hydraulic System - Steering

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

Hydraulic System - Lift/Tilt

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

Dimensions - Standard Lift - Approximate

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

Sound Performance - Standard

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

Sound Performance - Suppression

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


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Brakes SAE J1473 OKT90, ISO 3450:1992