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990K Steel Mill Arrangement
990K (Steel Mill Arrangement) Large Wheel Loader
990K Steel Mill Arrangement
990K Steel Mill Arrangement
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990K Steel Mill Arrangement
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990K Steel Mill Arrangement
990K Steel Mill Arrangement
Large Wheel Loaders
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.
Net Power
699 hp/521 kW
Engine Model
Cat® C27 ™
Bore
5.4 in/137.2 mm
Stroke
6.0 in/152.4 mm
Key Features
POWERFUL EFFICIENCY
LONG TERM VALUE AND DURABILITY
PROVEN RELIABILITY
PERFORMANCE AND PRODUCTIVITY
OPERATOR COMFORT AND CONTROL
PRODUCTIVITY WITH TECHNOLOGY
SAVE ON SERVICE AND MAINTENANCE
TOP-TIER SERVICE AND SUPPORT
SAFETY FIRST
HANDLE THE HEAT
ATTACHMENTS TO MEET YOUR NEEDS
PERFORMANCE WITH LESS FUEL
Specifications
Metric
|
Imperial
Engine 
Net Power
699 hp
521 kW
Engine Model
Cat® C27 ™
Bore
5.4 in
137.2 mm
Stroke
6.0 in
152.4 mm
Displacement
1649.5 in³
27.03 l
Torque Rise
18 %
18 %
Rated Speed - Gross - ISO 14396
752 hp
561 kW
Rated Speed - Net Power - SAE J1349 - High Ambient
648 hp
483 kW
Rated Speed
1800 r/min
1800 r/min
Rated Speed - Net Power - SAE J1349 - Standard Ambient
699 hp
521 kW
Emissions
Entspricht EPA Tier 4 Final/Tier 2 (USA)
Peak Torque - 1,200 rpm
2624 lb/ft
3557 N·m
Gross - ISO 14396
752 hp
561 kW
Net Power - SAE J1349:2011
699 hp
521 kW
Rated Speed - Gross - SAE J1995
766 hp
571 kW
Operating Specifications
Operating Weight
204693 lb
92848 kg
Rated Payload
17.5 t
15.88 t
Bucket Capacity Range
8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Rated Payload - Standard
17.5 t
15.88 t
Cat Truck Match - Standard
773-775
Transmission
Transmission Type
Cat-Planetenlastschaltgetriebe
Forward - 1
4.5 mile/h
7.3 km/h
Forward - 2
8.3 mile/h
13.3 km/h
Forward - 3
14.2 mile/h
22.9 km/h
Reverse - 1
4.9 mile/h
7.9 km/h
Reverse - 2
9.1 mile/h
14.7 km/h
Reverse - 3
15.5 mile/h
24.9 km/h
Direct Drive - Reverse 1
5.4 mile/h
8.7 km/h
Direct Drive - Reverse 2
9.6 mile/h
15.4 km/h
Direct Drive - Forward 2
8.5 mile/h
13.7 km/h
Direct Drive - Reverse 3
16.4 mile/h
26.4 km/h
Direct Drive - Forward 3
15.2 mile/h
24.5 km/h
Direct Drive - Forward 1
Lock-up disabled
Note
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Hydraulic System - Lift/Tilt
Relief Valve Setting - Lift/Tilt
4786 psi
33000 kPa
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 (1)
22.2 gpm
84 L/min
Relief Valve Setting - Main
507 psi
3500 kPa
Maximum Flow at 1,800 rpm (2)
216 gpm
817 L/min
Lift/Tilt System - Circuit
Positive flow control
Pilot System
Open loop and pressure reducing
Cylinders, Double Acting - Lift, Bore and Stroke
254 mm × 1264 mm (10.0 in × 49.8 in)
Service Refill Capacities
Fuel Tank
294.3 gal (US)
1114 l
Cooling System
54.9 gal (US)
208 l
Transmission
29.1 gal (US)
110 l
Differential - Final Drives - Rear
68.9 gal (US)
261 l
Hydraulic Tank - Steering and Braking
34.9 gal (US)
132 l
Differential - Final Drives - Front
71.6 gal (US)
271 l
Engine Crankcase
20.0 gal (US)
75.7 l
Hydraulic Tank - Implement and Hydraulic Fan
68.9 gal (US)
261 l
Hydraulic System Factory Fill
210.0 gal (US)
795 l
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 OKT90, ISO 3450:1992
Hydraulic System - Steering
Relief Valve Setting - Steering
4641 psi
32000 kPa
Steering System - Pump
Piston, variable displacement
Maximum Flow at 1,400 rpm
94.5 gpm
358 L/min
Steering System - Circuit
Pilot, load sensing
Total Steering Angle
70°
Hydraulic Cycle Times
Raise
9.4 s
9.4 s
Dump
2.9 s
2.9 s
Rack Back
4.8 s
4.8 s
Lower
3.7 s
3.7 s
Lower Float Down
3.6 s
3.6 s
Total Hydraulic Cycle Time - Empty Bucket
15.9 s
15.9 s
Sound Performance - Standard
Operator Sound Level (ISO 6396:2008)
69 dB(A)
69 dB(A)
Machine Sound Level (ISO 6395:2008)
115 dB(A)
115 dB(A)
Sound Performance - Suppression
Machine Sound Level (ISO 6395:2008)
115 dB(A)
115 dB(A)
Operator Sound Level (ISO 6396:2008)
69 dB(A)
69 dB(A)
Dimensions - Standard Lift - Approximate
Reach - Maximum Lift
7.2 ft
2193 mm
Ground to Top of ROPS
17.2 ft
5240 mm
Clearance at Maximum Lift
13.4 ft
4077 mm
Maximum Overall Length
41.8 ft
12733 mm
Ground to Top of Hood
12.7 ft
3862 mm
Wheel Base
15.1 ft
4600 mm
Ground to Lower Hitch Clearance
2.0 ft
596 mm
B-Pin Height - Maximum Lift
19.2 ft
5867 mm
Rear Axle - Centerline to Bumper
12.5 ft
3795 mm
Ground to Center of Front Axle
3.9 ft
1186 mm
Ground to Bumper Clearance
3.5 ft
1079 mm
Dump Angle at Maximum Lift
47.4 degrees
Rack Back Angle - Carry
48.8 degrees
Front Axle Centerline to Bucket Tip
14.2 ft
4338 mm
Rack Angle at Maximum Lift
63.7 degrees
Maximum Overall Height - Bucket Raised
27.0 ft
8231 mm
Ground to Top of Exhaust Stacks
16.6 ft
5049 mm
Rack Back Angle - Ground Level
40.4 degrees
Equipment
Standard Equipment
Optional Equipment
