Excavating Machine A1-2 (Backhoe 37t, 140kw)

Excavator A1-2 (Backhoe 37t, 140kw) 1. Air-cooled diesel engine with Germany Deutz technology: Environment protecting, power saving 2. Control system by total power for double pumps & circuits with reasonably distributing and using the power 3. The confluence of double pump, raising the working efficiency 4. The frequent-open swing, the walking brake 5. Independent oil-cooling system 6. Better reliability with hose and seal from Italy and Trelleborg cylinder seals 7. Case shape structure, attachment designed by CAD and the casting-welding structure realizing the high strength structure. 8. The high strength and high steel platform and the undercharge guaranteeing the powerful digging and walking 9. The multi-function meters of detection of the various pressure, temperature and oil level to have sound-light alarm 10. Cab is provided with large tri-dimensional ventilation, fresh air circulation, large capacity air condition without fluorine 11. The operator's cab with the wide vision field and the streamlined appearance, matching the decoration and function with human nature, and offering the working environment in a car. 12. Automatically injecting the fuel(Option).No. Item Unit Data Face shovel Backhoe 1 Machine weight t 39 37 2 Bucket capacity Standard m 3 2.0 1.7 Range m 3 1.6~2.5 1.0~2.0 3 Diesel engine Model F8L413F Power /Speed kW/rpm 140/2000 Fuel tank Capacity L 420 4 Hydraulic system Max. pressure of main oil circuit MPa 27.4 Max. flow of main oil circuit L/min 2×250 Operating style Pilot control Hydraulic oil tank capacity L 600 5 Performance Swing speed r/min 9.25 Travel speed km/h 2.3 Max. pulling force k N 293 Gradeability % 70 Ground pressure MPa 0.076 Circulating time of operation s 16~19 6 Working date Boom length mm 3800 6200 Stick length mm 2980 3000 Max. digging radius mm 8200 11000 Max. digging depth mm 2930 7300 Max. digging height mm 8300 8400 Max. unloading height mm 5800 5800 Max. digging force of stick k N 194 136 Max. breakout force of bucket k N 180 150 No. Component Type Manufacturer 1 Diesel Engine F8L413F Huabei diesel works 2 Main Pump A7V160 Liyuan Hydraulic 3 Left main Valve WYZ-8 Fengyang Hydraulic 4 Right main Valve WYZ-9 Fengyang Hydraulic 5 Monomer Valve WYZ-28 Fengyang Hydraulic 6 Swing motor A2F160 Liyuan Hydraulic 7 Swing reduction gear CJ200HA BONNY reduction Co. 8 Travel motor A2F107 Liyuan Hydraulic 9 Travel reduction gear CJ700X BONNY reduction Co. 10 Armrest pilot valve JEIL/Korea 11 Foot pedal pilot valve Kawasaki/Japan 12 Change valve 4WE6C Rexroth/Germany 13 Hydraulic hose + System seal Manuli/Italy 14 Driver’s seat Grammer 15 Air-condition system Wuhan Jindong /China