Komatsu HD785-7
Technical data by generation and configuration: engine, cooling, refill capacities and the manufacturer's public documents.
Komatsu HD785-7 · Motor Tier 2
Ficha 2022 · estándar
| Engine | Engine | Komatsu SAA12V140E-3 · 12 cil. · 30.48 L · 895 kW bruta / 879 kW neta @ 1900 rpm · Tier 2 | Standard |
|---|---|---|---|
| Engine | Par máximo | 5,080 Nm | Standard |
| Engine | Admisión | Turbo con posenfriador aire-aire; inyección common rail | Standard |
| Engine | Filtro de aire | Seco, doble elemento con prefiltros e indicador de polvo | Standard |
| Engine | Aceite de motor (capacidad) | 129 L | Standard |
| Cooling | Radiador | Libre de plomo; ventilador de accionamiento mecánico | Standard |
| Cooling | Posenfriador | Aire-aire | Standard |
| Cooling | Enfriamiento de convertidor, transmisión y retardador (capacidad) | 205 L | Standard |
| Cooling | Enfriadores de aceite hidráulico | Enfriador de gran capacidad en cada circuito hidráulico | Standard |
| Transmission | Convertidor de par | 3 elementos, 1 etapa, 2 fases; lock-up de discos húmedos | Standard |
| Transmission | Transmisión | Automática planetaria, 7 adelante y 2 reversa (RH, RL), con modulación electrónica | Standard |
| Transmission | Velocidad máxima | 65 km/h | Standard |
| Axles and final drives | Eje trasero | Flotante total | Standard |
| Axles and final drives | Mandos finales | Planetarios; relación del diferencial 3.357 y planetaria 6.333 | Standard |
| Axles and final drives | Diferencial (capacidad) | 137 L | Standard |
| Axles and final drives | Mandos finales (capacidad total) | 128 L | Standard |
| Brakes and retarder | Frenos de servicio | Multidisco enfriados por aceite adelante y atrás, control hidráulico | Standard |
| Brakes and retarder | Retardador | Los frenos multidisco enfriados por aceite actúan como retardador en las 4 ruedas | Standard |
| Brakes and retarder | Freno de estacionamiento | Multidisco aplicado por resorte, en todas las ruedas | Standard |
| Brakes and retarder | Control de frenos (capacidad) | 36 L | Standard |
| Suspension | Suspensión | Hidroneumática independiente; carrera delantera 320 mm y trasera 127 mm; oscilación trasera 6.5° | Standard |
| Suspension | Suspensiones (capacidad total) | 93 L | Standard |
| Steering | Dirección | Hidráulica total, 2 cilindros de doble efecto; ángulo máximo 41°; radio de giro 10.1 m | Standard |
| Hoist hydraulics | Cilindros de levante | Dobles, telescópicos de 2 etapas; alivio 20.6 MPa | Standard |
| Hoist hydraulics | Tiempos de la caja | Subir 13 s · bajar 14 s | Standard |
| Hoist hydraulics | Sistema hidráulico (capacidad) | 175 L | Standard |
| Tires | Neumáticos | 27.00 R49 | Standard |
| Electrical | Sistema eléctrico | Alternador 90 A / 24 V · 4 baterías de 12 V 170 Ah · 2 marchas de 7.5 kW | Standard |
| Fuel | Tanque de combustible | 1,308 L | Standard |
| Cab | Cabina | ROPS (ISO 3471) y FOPS (ISO 3449 nivel 2) | Standard |
| Body | Capacidad | Al ras 40 m³ · colmada 60 m³ · carga útil 91.7 t | Standard |
| Body | Material | Acero de alta resistencia de 400 Brinell; fondo de 19 mm | Standard |
| Body | Calentamiento | Por gases de escape (evita que se pegue el material) | Standard |
Sources
Komatsu, ficha técnica HD785-7 (EENSB14400, marzo 2022), publicada por BIA, distribuidor oficial de Komatsu
Other models in this family
Other machine explorers
Machine explorer
Underground loader
Low-profile loaders (LHD) for underground mining: Sandvik, Epiroc and Caterpillar, with their different engine configurations.
Machine explorer
Underground truck
Low-profile articulated trucks for underground mining, with their generations and engine configurations.
Machine explorer
Drill jumbo and rock bolter
Underground face drilling and rock bolting rigs: electric, diesel and dual-power versions.
Machine explorer
Track-type tractor
Track-type tractors for mining and heavy construction, with their generations and cooling packages.
Machine explorer
Wheel loader
Wheel loaders from quarry to large mining sizes, with their generations and cooling systems.
Machine explorer
Surface blasthole drill
Open-pit blasthole drills: engine, air compressor and cooling package by configuration.
Machine explorer
Hydraulic excavator
Large hydraulic excavators for mining and construction, with their cooling systems and capacities.
Machine explorer
Motor grader
Motor graders for mine haul roads and construction, with their generations and cooling systems.