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990K Millyard 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. The 990K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 990K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

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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 Millyard Arrangement
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OVERVIEW

Nobody moves more

FEATURES & BENEFITS

POWERFUL EFFICIENCY

Cat® C27 EngineThe 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 Millyard 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 1,800/min
Rated Speed - Gross - ISO 14396 561 kW
Gross - ISO 14396 561 kW
Net Power - SAE J1349 521 kW
Rated Speed - Net Power - SAE J1349 - Standard Ambient 521 kW
Rated Speed - Net Power - SAE J1349 - High Ambient 483 kW
Peak Torque - 1,200 rpm 3557 N·m
Rated Speed - Gross - SAE J1995 571 kW
Emissions U.S. EPA Tier 4 Final or Tier 2 equivalent
Operating Specifications
Operating Weight 91807 kg
Tipping Load - Straight 42180 kg
Tipping Load - Articulated 35° 37148 kg
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 - Forward 3 24.5 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Reverse 3 26.4 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
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Hydraulic System - Lift/Tilt
Maximum Flow at 1,800 rpm (1) 817 l/min
Lift/Tilt System - Circuit Positive flow control
Relief Valve Setting - Lift/Tilt 33000 kPa
Maximum Flow at 1,800 rpm (2) 84 l/min
Relief Valve Setting - Main 3500 kPa
Pilot System Open loop and pressure reducing
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Tilt, Bore and Stroke 317.5 mm × 819 mm (12.5 in × 32.2 in)
Cylinders, Double Acting - Lift, Bore and Stroke 254 mm × 1264 mm (10.0 in × 49.8 in)
Hydraulic Cycle Times
Raise 9.4 s
Dump 2.9 s
Lower Float Down 3.6 s
Lower 3.7 s
Rack Back 4.8 s
Service Refill Capacities
Fuel Tank 1114 l
Cooling System 208 l
Transmission 110 l
Hydraulic Tank - Steering and Braking 132 l
Differential - Final Drives - Rear 261 l
Engine Crankcase 75.7 l
Differential - Final Drives - Front 271 l
Hydraulic Tank - Implement and Hydraulic Fan 261 l
Hydraulic System Factory Fill 795 l
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
Maximum Flow at 1,400 rpm 358 l/min
Steering System - Circuit Pilot, load sensing
Total Steering Angle 70°
Steering System - Pump Piston, variable displacement
Sound Performance - Standard
Machine Sound Level (ISO 6395:2008) 115 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)
Sound Performance - Suppression
Operator Sound Level (ISO 6396:2008) 69 dB(A)
Machine Sound Level (ISO 6395:2008) 113 dB(A)
Dimensions - Millyard Linkage - Approximate
Ground to Top of Exhaust Stacks 5049 mm
Fork Height at Maximum Lift 5591 mm
Ground to Top of Hood 3862 mm
Ground to Top of ROPS 5240 mm
Fork Top Clamp Opening 3745 mm
Maximum Overall Length 13840 mm
Ground to Lower Hitch Clearance 596 mm
Ground to Bumper Clearance 959 mm
Fork Height with Level Arms 2708 mm
Front Axle Centerline to Fork Tip 5362 mm
Rear Axle - Centerline to Bumper 3795 mm
Ground to Center of Front Axle 1186 mm
Hinge Pin Height at Maximum Lift 5903 mm
Wheel Base 4600 mm
Dump Angle at Maximum Lift 29.3 degrees
Forks
Fork End Area 7.2 m²

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