988K Millyard Arrangement
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.
| Operating Weight | 63600 kg |
|---|---|
| Tipping Load - Articulated 37° | 30910 kg |
| Tipping Load - Straight | 35500 kg |
| Net Power | 403 kW |
|---|---|
| Engine Model | Cat® C18 ™ |
| Rated Speed | 1700/min |
| Peak Power Speed | 1500/min |
| Torque Rise | 58 % |
| Bore | 145 mm |
| Stroke | 183 mm |
| Displacement | 18.1 l |
| Emissions | U.S. EPA Tier 4 Final/EU Stage V Technology or Tier 2 Equivalent |
| Gross - ISO 14396 | 432 kW |
| Net Power - SAE J1349 | 403 kW |
| Peak Power Speed - 1,500 rpm - Gross - ISO 14396 | 432 kW |
| Peak Power Speed - 1,500 rpm - Gross - SAE J1995 | 439 kW |
| Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 | 403 kW |
| Peak Torque - 1,200 rpm | 2852 N·m |
| 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 4 | 39.3 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 - Reverse 1 | 8 km/h |
| Direct Drive - Reverse 2 | 14.3 km/h |
| Direct Drive - Reverse 3 | 25.5 km/h |
| Transmission Type | Cat-Planetenlastschaltgetriebe |
| Front | Fixed |
|---|---|
| Oscillation Angle | 13° |
| Rear | Trunnion |
| Lift/Tilt System - Circuit | EH- Positive Flow Control, Flow Sharing |
|---|---|
| Lift/Tilt System | Variable displacement piston |
| Relief Valve Setting - Lift/Tilt | 32000 kPa |
| Pilot System | Variable displacement piston |
| 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) |
| Maximum Flow | 52 l/min |
| Maximum Flow at 1,400-1,860 rpm | 580 l/min |
| Relief Valve Setting - Main | 4000 kPa |
| 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 |
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Total Steering Angle | 74 ° |
| Fuel Tank | 712 l |
|---|---|
| Cooling System | 120 l |
| Transmission | 120 l |
| Differential - Final Drives - Front | 186 l |
| Differential - Final Drives - Rear | 186 l |
| Hydraulic System - Tank Only | 240 l |
| Crankcase | 60 l |
| Hydraulic System Factory Fill | 475 l |
| Diesel Exhaust Fluid Tank | 33 l |
| Brakes | SAE J1473 OKT90, ISO 3450:1992 |
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| Dump Angle at Maximum Lift | 39.4 ° |
|---|---|
| Fork Height at Maximum Lift | 4660 mm |
| Fork Height with Level Arms | 2468 mm |
| Fork Top Clamp Opening | 3741 mm |
| Front Axle Centerline to Fork Tip | 4765 mm |
| Ground to Bumper Clearance | 933 mm |
| Ground to Center of Front Axle | 978 mm |
| Ground to Lower Hitch Clearance | 568 mm |
| Ground to Top of Exhaust Stacks | 4214 mm |
| Ground to Top of Hood | 3334 mm |
| Ground to Top of ROPS | 4221 mm |
| Hinge Pin Height at Maximum Lift | 4918 mm |
| Maximum Overall Length | 12502 mm |
| Rear Axle - Centerline to Bumper | 3187 mm |
| Wheel Base | 4550 mm |
| Fork End Area | 6.4 m² |
|---|
| Machine Sound Level (ISO 6395) | 111 dB(A) |
|---|---|
| Operator Sound Level (ISO 6396) | 71 dB(A) |
| Machine Sound Level (ISO 6395) | 109 dB(A) |
|---|---|
| Operator Sound Level (ISO 6396) | 70 dB(A) |
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