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.

Informações Tećnicas

• Net Power: 403 kW
• Operating Weight: 63600 kg

Mais informações

Engine

• Net Power: 403 kW / 541 HP
• Engine Model: Cat® C18
• Net Power - SAE J1349: 403 kW / 541 HP
• Bore: 145 mm / 5.7 in
• Stroke: 183 mm / 7.2 in
• Displacement: 18.1 l / 1105 in³
• Torque Rise: 58 % / 58 %
• Rated Speed: 1,700 rpm
• Emissions: U.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
• Gross - ISO 14396: 432 kW / 580 HP
• Peak Power Speed: 1,500 rpm
• Peak Power Speed - 1,500 rpm - Gross - ISO 14396: 432 kW / 580 HP
• Peak Power Speed - 1,500 rpm - Gross - SAE J1995: 439 kW / 588 HP
• Peak Power Speed - 1,500 rpm - Net Power - SAE J1349: 403 kW / 541 HP
• Peak Torque - 1,200 rpm: 2852 N·m / 2104 lb/ft

Forks

• Fork End Area: 6.4 m² / 69 ft²

Operating Specifications

• Operating Weight: 63600 kg / 139920 lb
• Tipping Load - Articulated 37°: 30910 kg / 68005 lb
• Tipping Load - Straight: 35500 kg / 78115 lb

Transmission

• Transmission Type: Cat planetary power shift
• Forward - 1: 6.5 km/h / 4 mile/h
• Forward - 2: 11.6 km/h / 7.2 mile/h
• Forward - 3: 20.4 km/h / 12.7 mile/h
• Forward - 4: 34.7 km/h / 21.6 mile/h
• Reverse - 1: 7.5 km/h / 4.7 mile/h
• Reverse - 2: 13.3 km/h / 8.3 mile/h
• Reverse - 3: 23.2 km/h / 14.4 mile/h
• Direct Drive - Forward 1: Lock-up disabled
• Direct Drive - Forward 2: 12.5 km/h / 7.8 mile/h
• Direct Drive - Forward 3: 22.3 km/h / 13.9 mile/h
• Direct Drive - Forward 4: 39.3 km/h / 24.4 mile/h
• Direct Drive - Reverse 1: 8 km/h / 5 mile/h
• Direct Drive - Reverse 2: 14.3 km/h / 8.9 mile/h
• Direct Drive - Reverse 3: 25.5 km/h / 15.8 mile/h

Hydraulic System - Lift/Tilt

• Cylinders, Double Acting - Lift, Bore and Stroke: 235 mm × 976 mm (9.25 in × 38.4 in)
• Cylinders, Double Acting - Tilt, Bore and Stroke: 292 mm × 671 mm (11.5 in × 26.4 in)
• Lift/Tilt System: Variable displacement piston
• Maximum Flow: 52 l/min / 13.7 gal/min
• Maximum Flow at 1,400-1,860 rpm: 580 l/min / 153 gal/min
• Pilot System: Variable displacement piston
• Relief Valve Setting: 4000 kPa / 580 psi
• Lift/Tilt System - Circuit: EH- Positive Flow Control, Flow Sharing
• Relief Valve Setting - Lift/Tilt: 32000 kPa / 4641 psi

Service Refill Capacities

• Fuel Tank: 712 l / 188 gal (US)
• Cooling System: 120 l / 31.7 gal (US)
• Crankcase: 60 l / 15.9 gal (US)
• Transmission: 120 l / 31.7 gal (US)
• Differential - Final Drives - Front: 186 l / 49.1 gal (US)
• Differential - Final Drives - Rear: 186 l / 49.1 gal (US)
• Hydraulic System - Tank Only: 240 l / 63.4 gal (US)
• Diesel Exhaust Fluid Tank: 33 l / 8.7 gal (US)
• Hydraulic System Factory Fill: 475 l / 125.5 gal (US)

Dimensions - Millyard Linkage

• Dump Angle at Maximum Lift: 39.4 ° / 39.4 °
• Fork Height at Maximum Lift: 4660 mm / 15.3 ft
• Fork Height with Level Arms: 2468 mm / 8.1 ft
• Fork Top Clamp Opening: 3741 mm / 12.3 ft
• Front Axle Centerline to Fork Tip: 4765 mm / 15.6 ft
• Ground to Bumper Clearance: 933 mm / 3.1 ft
• Ground to Center of Front Axle: 978 mm / 3.2 ft
• Ground to Lower Hitch Clearance: 568 mm / 1.9 ft
• Ground to Top of Exhaust Stacks: 4214 mm / 13.8 ft
• Ground to Top of Hood: 3334 mm / 10.9 ft
• Ground to Top of ROPS: 4221 mm / 13.8 ft
• Hinge Pin Height at Maximum Lift: 4918 mm / 16.1 ft
• Maximum Overall Length: 12502 mm / 41 ft
• Rear Axle - Centerline to Bumper: 3187 mm / 10.5 ft
• Wheel Base: 4550 mm / 14.9 ft

Axles

• Front: Fixed
• Rear: Trunnion
• Oscillation Angle: 13°

Brakes

• Brakes: SAE J1473 OCT90, ISO 3450:1992

Hydraulic System - Steering

• Steering System - Circuit: Pilot, load sensing
• Steering System - Pump: Piston, variable displacement
• Relief Valve Setting - Steering: 30000 kPa / 4351 psi
• Maximum Flow: 270 l/min / 71.3 gal/min
• Steering Cycle Times - High Idle: 3.4 s / 3.4 s
• Steering Cycle Times - Low Idle: 5.6 s / 5.6 s
• Total Steering Angle: 74 ° / 74 °

Sound Performance - Standard

• Machine Sound Level (ISO 6395): 111 dB(A) / 111 dB(A)
• Operator Sound Level (ISO 6396): 71 dB(A) / 71 dB(A)

Sound Performance - Suppression

• Machine Sound Level (ISO 6395): 109 dB(A) / 109 dB(A)
• Operator Sound Level (ISO 6396): 70 dB(A) / 70 dB(A)