988K Block Handler 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 Cat 988K Block Handler was designed to withstand the demanding and harsh environment of block handling applications. The features of the 988K Block Handler work together to provide a durable and reliable machine to meet your block handling needs.
| Operating Weight | 61508 kg |
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| Net Power | 403 kW |
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| Engine Model | C18 Cat® |
| Torque Rise | 58 % |
| Bore | 145 mm |
| Stroke | 183 mm |
| Displacement | 18.1 l |
| Rated Speed | 1700 r/min |
| Emissions | Einhaltung von EPA Tier 4 Final (USA)/Stufe V (EU), Tier-2-konform |
| Gross - ISO 14396 | 432 kW |
| Net Power - SAE J1349 | 403 kW |
| Peak Power Speed | 1500 r/min |
| Peak Power Speed - Gross - ISO 14396 | 432 kW |
| Peak Power Speed - Gross - SAE J1995 | 439 kW |
| Peak Power Speed - Net Power - SAE J1349 | 403 kW |
| Peak Torque - 1,200 rpm | 2852 N·m |
| Forward - 1 | 5.8 km/h |
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| Forward - 2 | 10.3 km/h |
| Forward - 3 | 18.3 km/h |
| Forward - 4 | 30.5 km/h |
| Reverse - 1 | 6.6 km/h |
| Reverse - 2 | 11.8 km/h |
| Reverse - 3 | 20.8 km/h |
| Direct Drive - Forward 4 | 34 km/h |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 10.8 km/h |
| Direct Drive - Forward 3 | 19.2 km/h |
| Direct Drive - Reverse 1 | 6.9 km/h |
| Direct Drive - Reverse 2 | 12.4 km/h |
| Direct Drive - Reverse 3 | 22 km/h |
| Transmission Type | Cat-Planetenlastschaltgetriebe |
| Front | Fixed |
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| Oscillation Angle | 13 ° |
| Rear | Trunnion |
| Lift/Tilt System - Circuit | Pilot operated - EH control, flow sharing |
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| Lift/Tilt System | Variable displacement piston |
| Relief Valve Setting - Lift/Tilt | 32800 kPa |
| Pilot System | Variable displacement piston |
| Cylinders, Double Acting - Lift, Bore and Stroke | 235 mm × 976 mm (9.3 in × 38.4 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 291 mm × 671 mm (11.5 in × 26.4 in) |
| Maximum Flow at 1,400-1,860 rpm | 580 l/min |
| Maximum Flow at 1,700 rpm | 52 l/min |
| Relief Valve Setting - Main | 3800 kPa |
| Relief Valve Setting - Steering | 32000 kPa |
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| Steering Cycle Times - High Idle | 3.4 s |
| Steering Cycle Times - Low Idle | 5.6 s |
| Maximum Flow | 280 l/min |
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Total Steering Angle | 86 ° |
| Fuel Tank | 712 l |
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| 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 | 2.2 s |
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| Lower Float Down | 3.5 s |
| Rack Back | 4.5 s |
| Raise | 8 s |
| Total Hydraulic Cycle Time - Empty Bucket | 18.2 s |
| Exterior Sound Level | 111 dB(A) |
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| Interior Sound Level | 71 dB(A) |
| Exterior Sound Level | 109 dB(A) |
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| Interior Sound Level | 70 dB(A) |
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