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988K 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. Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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Net Power 403 kW
Engine Model Cat® C18 ™
Net Power - SAE J1349 403 kW
Bore 145 mm

Availability Please Call Admin

OVERVIEW

Built to withstand the harshest conditions

FEATURES & BENEFITS

POWERFUL EFFICIENCY

Cat C18 EngineThe Cat C18 engine is built and tested to meet your most demanding applications while meeting U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent emission... 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 988K 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 988K 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 continuously improving our products in an effort to provide a safe work environment for the operator and those who work on your job site.Machine AccessLeft and rig... Read more

SPECIFICATIONS FOR 988K Steel Mill Arrangement

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Engine
Net Power 403 kW
Engine Model Cat® C18 ™
Net Power - SAE J1349 403 kW
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
Torque Rise 58 %
Rated Speed 1700/min
Peak Power Speed - 1,500 rpm - Gross - ISO 14396 432 kW
Gross - ISO 14396 432 kW
Peak Power Speed 1500/min
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 439 kW
Peak Torque - 1,200 rpm 2852 N·m
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 403 kW
Emissions Einhaltung von EPA Tier 4 Final (USA)/Stufe V (EU), Tier-2-konform
Operating Specifications
Operating Weight 51062 kg
Rated Payload 11.3 t
Rated Payload - Standard 11.3 t
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - Standard 770-772
Cat Truck Match - High Lift 773-775
Rated Payload - High Lift 11.3 t
Transmission
Transmission Type Cat-Planetenlastschaltgetriebe
Forward - 1 6.5 km/h
Forward - 2 11.6 km/h
Forward - 3 20.4 km/h
Forward - 4 34.7 km/h
Reverse - 1 7.5 km/h
Reverse - 2 13.3 km/h
Reverse - 3 23.2 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 12.5 km/h
Direct Drive - Forward 3 22.3 km/h
Direct Drive - Forward 4 39.3 km/h
Direct Drive - Reverse 1 8 km/h
Direct Drive - Reverse 2 14.3 km/h
Direct Drive - Reverse 3 25.5 km/h
Hydraulic System - Lift/Tilt
Pilot System Variable displacement piston
Relief Valve Setting - Main 3800 kPa
Maximum Flow 52 l/min
Cylinders, Double Acting - Tilt, Bore and Stroke 267 mm × 685 mm (10.5 in × 27.0 in)
Maximum Flow at 1,400-1,860 rpm 580 l/min
Cylinders, Double Acting - Lift, Bore and Stroke 210 mm × 1050 mm (8.3 in × 41.3 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
Relief Valve Setting - Lift/Tilt 32800 kPa
Service Refill Capacities
Fuel Tank 686 l
Cooling System 120 l
Crankcase 60 l
Transmission 120 l
Differential - Final Drives - Front 186 l
Differential - Final Drives - Rear 186 l
Hydraulic System - Tank Only 240 l
Diesel Exhaust Fluid Tank (Tier 4) 33 l
Hydraulic System Factory Fill 475 l
Buckets
Bucket Capacities 5.4-6.3 m3 (7.0-8.3 yd3)
Axles
Front Fixed
Rear Trunnion
Oscillation Angle ±6°
Brakes
Brakes SAE J1473 OKT90, ISO 3450:1992
Hydraulic System - Steering
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Relief Valve Setting - Steering 30000 kPa
Maximum Flow 270 l/min
Steering Cycle Times - Low Idle 5.6 s
Total Steering Angle 80 °
Steering Cycle Times - High Idle 3.4 s
Hydraulic Cycle Time (1,400-1,860 rpm)
Rack Back 4.5 s
Lower Float Down 3.5 s
Raise 8 s
Total Hydraulic Cycle Time - Empty Bucket 18.2 s
Dump 2.2 s
Sound Performance - Standard
Operator Sound Level (ISO 6396) 71 dB(A)
Machine Sound Level (ISO 6395) 111 dB(A)
Sound Performance - Suppression
Operator Sound Level (ISO 6396) 70 dB(A)
Machine Sound Level (ISO 6395) 109 dB(A)

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Emissions U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
Rated Speed 1750 rpm
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Gross Power 676 kW
Bore 145 mm
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