TN785D
رقم القطعة: KOMATSU-TN785D
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الوصف
TN785D
المواصفات
| Horsepower (HP) | 390 HP @ 2,100 rpm |
|---|---|
| Horsepower (kW) | 291 kW @ 2,100 rpm |
| Gradeability | 35 deg |
| Operating weight (kg) | 52 844 |
| Operating weight (lbs) | 116,500 |
| Number of track rollers (each side) | 12 |
| Number of shoes (each side) | 57 |
| Number of carrier rollers (each side) | One piece slider |
| Engine model | Cummins L9 |
| Aspiration | Variable Geometry Turbo, aftercooled, cooled EGR |
| Number of cylinders | 6 |
| Piston displacement (L) | 8.9 |
| Piston displacement (in^3) | 543 |
| Governor | All-speed control, electronic |
| SAEJ1995 - Gross (kW) | 291 kW @ 2,100 rpm |
| SAEJ1995 - Gross (HP) | 390 HP @ 2,100 rpm |
| Fuel tank (US gal) | 320 |
| Fuel tank (L) | 1,215 |
| Coolant (US gal) | 12.5 |
| Coolant (L) | 47.3 |
| Final drive (US gal) | 2.6 |
| Final drive (L) | 10 |
| Hydraulic tank (L) | 386 |
| Hydraulic tank (US gal) | 102 |
| Pumps for | Boom, arm, swing, travel and auxiliary circuits; Variable displacement piston type |
| Maximum flow (US gpm) | 138 |
| Maximum flow (L/min) | 522 |
| Implement circuits (psi) | 4,200 |
| Travel circuit (psi) | 6,000 |
| Swing circuit (psi) | 5,800 |
| Implement circuits (MPa) | 29 |
| Pilot circuit (psi) | 425 |
| Implement circuits (kgf/cm^2) | 316 |
| Pilot circuit (kgf/cm^2) | 30 |
| Pilot circuit (MPa) | 2.9 |
| Swing circuit (kgf/cm^2) | 408 |
| Swing circuit (MPa) | 40 |
| Travel circuit (kgf/cm^2) | 421 |
| Travel circuit (MPa) | 41 |
| Travel | 2x Hydrostatic motors, closed loop with parking brake |
| Swing | 2x Hydrostatic motors, closed loop with swing holding brake |
| Drive method type | Hydrostatic |
| Maximum drawbar pull (lbs) | 85,587 |
| Parking brake | Hydraulic lock |
| High (mph) | 4.72 |
| High (kph) | 7.6 |
| Low (kph) | 2.5 |
| Low (mph) | 1.54 |
| Swing reduction | Planetary gear |
| Holding brake/Swing lock | Mechanical wet disc brake |
| Swing speed (rpm) | 5.3 |
| Bore (mm) | 114 |
| Bore (in) | 4.49 |
| Stroke (in) | 5.86 |
| Stroke (mm) | 145 |
| Fan drive method for radiator cooling | Hydraulic, variable speed, auto reverse |
| Engine (L) | 23.1 |
| Engine (US gal) | 6.1 |
| Hydraulic system (US gal) | 140 |
| Center frame | X-frame |
| Hydraulic system (L) | 530 |
| Track frame | Box-section |
| Track adjuster | Hydraulic adjusted, spring tensioner |
| Seal of track | Sealed track |
| Drive method | Hydrostatic closed loop |
| Swing circle lubrication | Grease-bathed, dual ball |
| Swing torque (kg-m) | 20 835 |
| Swing torque (ft-lbs) | 150,700 |
| Swing drive (L) | 7.2 |
| Swing drive (US gal) | 1.9 |
| DEF tank (US gal) | 15 |
| DEF tank (L) | 23.1 |
| Supply for control circuit | Charge pump |
| Operating weight inclusions (imperial units) | Truck Loader configuration: Cab with 51” riser, 28” double grouser shoes, log loader boom 24.6’, droop arm 17.9’, counterweight 5,000 lbs, cperator and standard equipment (no head); Live Heel configuration: cab with 51” riser, 28” double grouser shoes, log loader boom 24.6’, straight arm 17.9’, heel 4.4’,, counterweight 5,000 lbs, operator and standard equipment (no head) |
| Hydraulics type | SAE/US/US Modified, custom attc. settings |
| Operating weight inclusions (metric units) | Truck Loader configuration: Cab with 1,295 mm riser, 700 mm double grouser shoes, log loader boom 7,493 mm, droop arm 5,477 mm, counterweight 2,268 kg, cperator and standard equipment (no head); Live Heel configuration: cab with 1,295 mm riser, 700 mm double grouser shoes, log loader boom 7,493 mm, straight arm 5,252 mm, heel1,340 mm, counterweight 2,268 kg, operator and standard equipment (no head) |
| Hydraulic type | Load sense, pressure compensated, open loop system and dedicated closed loop systems |
| Boom / 2 (mm) | 165 x 1 575 x 110 |
| Boom / 2 (in) | 6.5 x 62.0 x 4.3 |
| Arm / 1 (mm) | 140 x 1 676 x 100 |
| Arm / 1 (in) | 5.5 x 65.9 x 3.9 |
| Steering control | Two, bi-directional pedals |
| Maximum drawbar pull | 380 kN, 38 822 kgf |
| Engine type | Water-cooled, 4-cycle, XPI Fuel system |
