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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.

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Net Power 521 kW
Engine Model Cat® C27 ™
Bore 137.2 mm
Stroke 152.4 mm
Availability Please Call Admin
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990K Steel Mill Arrangement
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OVERVIEW

Built to withstand the harshest conditions

FEATURES & BENEFITS

POWERFUL EFFICIENCY

Cat® C27-Motor:The Cat C27 engine is built and tested to meet your most demanding applications while meeting Tier 4 Final or Tier 2 equivalent emission standards.Fully in... Read more

LONG TERM VALUE AND DURABILITY

Robust StructuresYour bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest loading conditions.Full box-sectio... Read more

PROVEN RELIABILITY

Steering and Transmission Integrated Control System (STIC™)Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and... Read more

PERFORMANCE AND PRODUCTIVITY

Positive Flow Control HydraulicsIncrease efficiency through our Positive Flow Control (PFC) Hydraulic System. PFC has concurrent pump and valve control. By optimizing pum... Read more

OPERATOR COMFORT AND CONTROL

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.Entry and ExitEnter and exit the cab easily and safely with these ne... Read more

PRODUCTIVITY WITH TECHNOLOGY

The 990K electronic systems have been completely integrated to function as one machine. This integration creates a smart machine and more informed operator, maximizing th... Read more

SAVE ON SERVICE AND MAINTENANCE

We can help you succeed by ensuring your 990K has design features to reduce your downtime.Safe and convenient service with ground level or platform access and grouped ser... Read more

TOP-TIER SERVICE AND SUPPORT

Legendary Cat Dealer SupportA valued partner, your Cat dealer is available whenever you need them.Preventive maintenance programs and guaranteed maintenance contracts.Bes... Read more

SAFETY FIRST

We are constantly introducing features on our machines in an effort to enhance safety for the operators.Machine AccessLeft and right hand stairs with 45 degree angle enha... Read more

SPECIFICATIONS FOR 990K Steel Mill Arrangement

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Engine
Net Power 521 kW
Engine Model Cat® C27 ™
Bore 137.2 mm
Stroke 152.4 mm
Displacement 27.03 l
Torque Rise 18 %
Rated Speed - Gross - ISO 14396 561 kW
Rated Speed - Net Power - SAE J1349 - High Ambient 483 kW
Rated Speed 1800 r/min
Rated Speed - Net Power - SAE J1349 - Standard Ambient 521 kW
Emissions Entspricht EPA Tier 4 Final/Tier 2 (USA)
Peak Torque - 1,200 rpm 3557 N·m
Gross - ISO 14396 561 kW
Net Power - SAE J1349 521 kW
Rated Speed - Gross - SAE J1995 571 kW
Operating Specifications
Operating Weight 92848 kg
Rated Payload 15.88 t
Bucket Capacity Range 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Rated Payload - Standard 15.88 t
Cat Truck Match - Standard 773-775
Transmission
Transmission Type Cat-Planetenlastschaltgetriebe
Forward - 1 7.3 km/h
Forward - 2 13.3 km/h
Forward - 3 22.9 km/h
Reverse - 1 7.9 km/h
Reverse - 2 14.7 km/h
Reverse - 3 24.9 km/h
Direct Drive - Reverse 1 8.7 km/h
Direct Drive - Reverse 2 15.4 km/h
Direct Drive - Forward 2 13.7 km/h
Direct Drive - Reverse 3 26.4 km/h
Direct Drive - Forward 3 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 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) 84 l/min
Relief Valve Setting - Main 3500 kPa
Maximum Flow at 1,800 rpm (2) 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 1114 l
Cooling System 208 l
Transmission 110 l
Differential - Final Drives - Rear 261 l
Hydraulic Tank - Steering and Braking 132 l
Differential - Final Drives - Front 271 l
Engine Crankcase 75.7 l
Hydraulic Tank - Implement and Hydraulic Fan 261 l
Hydraulic System Factory Fill 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 32000 kPa
Steering System - Pump Piston, variable displacement
Maximum Flow at 1,400 rpm 358 l/min
Steering System - Circuit Pilot, load sensing
Total Steering Angle 70°
Hydraulic Cycle Times
Raise 9.4 s
Dump 2.9 s
Rack Back 4.8 s
Lower 3.7 s
Lower Float Down 3.6 s
Total Hydraulic Cycle Time - Empty Bucket 15.9 s
Sound Performance - Standard
Operator Sound Level (ISO 6396:2008) 69 dB(A)
Machine Sound Level (ISO 6395:2008) 115 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
Reach - Maximum Lift 2193 mm
Ground to Top of ROPS 5240 mm
Clearance at Maximum Lift 4077 mm
Maximum Overall Length 12733 mm
Ground to Top of Hood 3862 mm
Wheel Base 4600 mm
Ground to Lower Hitch Clearance 596 mm
B-Pin Height - Maximum Lift 5867 mm
Rear Axle - Centerline to Bumper 3795 mm
Ground to Center of Front Axle 1186 mm
Ground to Bumper Clearance 1079 mm
Dump Angle at Maximum Lift 47.4 degrees
Rack Back Angle - Carry 48.8 degrees
Front Axle Centerline to Bucket Tip 4338 mm
Rack Angle at Maximum Lift 63.7 degrees
Maximum Overall Height - Bucket Raised 8231 mm
Ground to Top of Exhaust Stacks 5049 mm
Rack Back Angle - Ground Level 40.4 degrees

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