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988K Millyard Arrangement

Large Wheel Loaders

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. The 988K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 988K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

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

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OVERVIEW

No compromise on power

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 Technology, Tier 2 Equivale... 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

The 988K has many design features that help you succeed by reducing your downtime.Safe and convenient service with ground level or platform access and grouped service poi... 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 improving our products in an effort to provide a productive and safe work environment for the operator and those who work on your job site.Machine Acces... Read more

SPECIFICATIONS FOR 988K Millyard 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
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 403 kW
Emissions U.S. EPA Tier 4 Final/EU Stage V Technology or Tier 2 Equivalent
Peak Torque - 1,200 rpm 2852 N·m
Gross - ISO 14396 432 kW
Peak Power Speed 1500/min
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 439 kW
Forks
Fork End Area 6.4 m²
Operating Specifications
Operating Weight 63600 kg
Tipping Load - Straight 35500 kg
Tipping Load - Articulated 37° 30910 kg
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
Maximum Flow 52 l/min
Pilot System Variable displacement piston
Maximum Flow at 1,400-1,860 rpm 580 l/min
Relief Valve Setting - Main 4000 kPa
Cylinders, Double Acting - Tilt, Bore and Stroke 292 mm × 671 mm (11.5 in × 26.4 in)
Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 976 mm (9.25 in × 38.4 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
Relief Valve Setting - Lift/Tilt 32000 kPa
Service Refill Capacities
Fuel Tank 712 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
Hydraulic System Factory Fill 475 l
Diesel Exhaust Fluid Tank 33 l
Dimensions - Millyard Linkage
Fork Top Clamp Opening 3741 mm
Dump Angle at Maximum Lift 39.4 °
Ground to Top of Hood 3334 mm
Front Axle Centerline to Fork Tip 4765 mm
Fork Height at Maximum Lift 4660 mm
Wheel Base 4550 mm
Ground to Lower Hitch Clearance 568 mm
Rear Axle - Centerline to Bumper 3187 mm
Ground to Center of Front Axle 978 mm
Maximum Overall Length 12502 mm
Ground to Top of ROPS 4221 mm
Fork Height with Level Arms 2468 mm
Ground to Bumper Clearance 933 mm
Hinge Pin Height at Maximum Lift 4918 mm
Ground to Top of Exhaust Stacks 4214 mm
Axles
Front Fixed
Rear Trunnion
Oscillation Angle 13°
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
Steering Cycle Times - High Idle 3.4 s
Steering Cycle Times - Low Idle 5.6 s
Maximum Flow 270 l/min
Total Steering Angle 74 °
Sound Performance - Standard
Operator Sound Level (ISO 6396) 71 dB(A)
Machine Sound Level (ISO 6395) 111 dB(A)
Sound Performance - Suppression
Machine Sound Level (ISO 6395) 109 dB(A)
Operator Sound Level (ISO 6396) 70 dB(A)

SELECT MODELS TO COMPARE

Large Wheel Loaders

988K

Net Power 403 kW
Engine Model Cat® C18 ™
Bore 145 mm
Stroke 183 mm
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994H

Net Power 1079 kW
Engine Model CAT 3516B HD
Operating Weight 196650 kg
Transmission Type STICコントロ-ル式パワ-シフト
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988G

Net Power 354 kW
Engine Model Cat 3456 EUI
Gross Power 388 kW
Displacement 15.8 l
Large Wheel Loaders

988K

Large Wheel Loaders

993K

Net Power 726 kW
Operating Weight 133668 kg
Operating Weight - Tier 2 Equivalent* 133668 kg
Rated Payload - High Lift 24.9 t
Large Wheel Loaders

994F

Net Power 1176 kW
Engine Model 3516B HD EUI
Gross Power 1176 kW
Net Power - ISO 9249 1176 kW
Large Wheel Loaders

988H Steel Mill Arrangement

Net Power 373 kW
Engine Model Cat® C18 ACERT™
Gross Power 414 kW
Net Power - ISO 9249 373 kW
Large Wheel Loaders

990K Steel Mill Arrangement

Net Power 521 kW
Engine Model Cat® C27 ™
Bore 137.2 mm
Stroke 152.4 mm
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