Incarcatoare frontale de talie mare
Pret la cerere
Încărcătoarele frontale mari Cat® întruchipează la propriu durabilitatea, asigurând o disponibilitate maximă pe durata mai multor cicluri de viață. Având performanțe optimizate și o întreținere simplificată, utilajele noastre vă permit să lucrați mai mult într-un mod eficient și în sigur, la un cost mai mic per tona de material. Introdus în 1963, modelul 988 a fost lider în industrie vreme de peste 50 de ani, având la bază moștenirea fiabilității, performanței, siguranței, confortului pentru operator, funcționalității și productivității. Iar modelul 988K aduce durabilitatea îmbunătățită și eficiența maximă pe această platformă de utilaje
Descriere
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Engine
| Net Power | 403 kW |
| Engine Model | Cat® C18 ™ |
| Bore | 145 mm |
| Stroke | 183 mm |
| Displacement | 18.1 l |
| Torque Rise | 58 % |
| Rated Speed | 1700/min |
| Peak Torque - 1,200 rpm | 2852 N·m |
| Net Power - SAE J1349 | 403 kW |
| Peak Power Speed | 1500/min |
| Peak Power Speed - 1,500 rpm - Gross - ISO 14396 | 432 kW |
| Gross - ISO 14396 | 432 kW |
| Peak Power Speed - 1,500 rpm - Gross - SAE J1995 | 439 kW |
| Emissions | U.S. EPA Tier 4 Final/EU Stage IV OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent |
| Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 | 403 kW |
Operating Specifications
| Operating Weight | 51062 kg |
| Bucket Capacity Range | 4.7-13 m3 (6.2-17 yd3) |
| Rated Payload - Quarry Face | 11.3 t |
| Cat Truck Match - High Lift | 773～775 |
| Rated Payload - Loose Material | 14.5 t |
| Cat Truck Match - Standard | 770～772 |
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 - Reverse 2 | 14.3 km/h |
| Direct Drive - Reverse 3 | 25.5 km/h |
| Direct Drive - Forward 2 | 12.5 km/h |
| Direct Drive - Reverse 1 | 8 km/h |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 3 | 22.3 km/h |
| Direct Drive - Forward 4 | 39.3 km/h |
Hydraulic System - Lift/Tilt
| Maximum Flow | 52 l/min |
| Maximum Flow at 1,400-1,860 rpm | 580 l/min |
| Lift/Tilt System | Variable displacement piston |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 269 mm × 685 mm (8.7 in × 27 in) |
| Relief Valve Setting | 3800 kPa |
| Relief Valve Setting - Lift/Tilt | 32800 kPa |
| Pilot System | Variable displacement piston |
| Cylinders, Double Acting - Lift, Bore and Stroke | 210 mm × 1050 mm (8.7 in × 41.3 in) |
| Lift/Tilt System - Circuit | EH- Positive Flow Control, Flow Sharing |
Service Refill Capacities
| Fuel Tank | 712 l |
| Cooling System | 120 l |
| Crankcase | 60 l |
| Transmission | 120 l |
| Hydraulic System - Tank Only | 240 l |
| Differential - Final Drives - Rear | 186 l |
| Hydraulic System Factory Fill | 475 l |
| Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only) | 33 l |
| Differential - Final Drives - Front | 186 l |
| Coolant (Validated by Test Cell Fill Quantities) | 125 l |
| Transmission - Validated by Test Cell Fill Quantities | 110 l |
Buckets
| Bucket Capacities | 4.7-13 m3 (6.2-17 yd3) |
Axles
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 13 ° |
Brakes
| Brakes | SAE J1473 OKT90, ISO 3450:1992 |
Hydraulic System - Steering
| Steering System - Pump | Piston, variable displacement |
| Total Steering Angle | 86 ° |
| Maximum Flow | 270 l/min |
| Relief Valve Setting - Steering | 30000 kPa |
| Steering Cycle Times - High Idle | 3.4 s |
| Steering System - Circuit | Pilot, load sensing |
| Steering Cycle Times - Low Idle | 5.6 s |
Hydraulic Cycle Time (1,400-1,860 rpm)
| Total Hydraulic Cycle Time - Empty Bucket | 18.2 s |
| Lower Float Down | 3.5 s |
| Rack Back | 4.5 s |
| Raise | 8 s |
| Dump | 2.2 s |
Sound Performance - Tier 4 Final/Stage IV - Standard
| Operator Sound Level (ISO 6396) | 72 dB(A) |
| Machine Sound Level (ISO 6395) | 111 dB(A) |
Sound Performance - Tier 4 Final/Stage IV: Suppression
| Machine Sound Level (ISO 6395) | 109 dB(A) |
| Operator Sound Level (ISO 6396) | 72 dB(A) |
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
| Operator Sound Level (ISO 6396) | 72 dB(A) |
| Machine Sound Level (ISO 6395) | 110 dB(A) |
Sound Performance - Tier 2 Equivalent/Stage II: Standard
| Machine Sound Level (ISO 6395) | 112 dB(A) |
| Operator Sound Level ( ISO 6396) | 73 dB(A) |