HD785-7 ENGINE AND COOLING SYSTEM

Compatible Unit Serial Number : 7001 and up 

STRUCTURE, FUNCTION
AND MAINTENANCE STANDART

for

ENGINE AND COOLING SYSTEM

Radiator, brake, torque converter oil cooler, aftercooler, steering, hoist oil cooler

1. Pick up for radiator coolant level sensor

2. Upper tank

3. Radiator core

4. Oil cooler (brake, torque converter)

5. Reservoir tank

6. Aftercooler (engine intake air)

7. Air conditioner condenser

8. Steering hoist oil cooler

A: Coolant inlet port (From engine)

B: Aftercooler inlet port (From turbocharger)

C: Aftercooler outlet port

(To engine air intake manifold)

D: Coolant bypass inlet port (From engine)

E: Coolant outlet port (To water pump)

F: Oil inlet port (From rear and front brakes)

G: Oil outlet port (To transmission)

Specifications

1. Radiator

Core type: 5 lines of aluminum waved tube

Total radiation surface: 334.8 m2

2. Torque converter, transmission, brake oil cooler

Core type: PTO-LS

Total radiation surface: 16.26 m2

3. Steering hoist oil cooler

Core type: CF40-1

Total radiation surface: 5.18 m2

4. Aftercooler

Total radiation surface: 85.8 m2

Air conditioner

Gas charge weight (HFC-134a): 900 ± 50 g

Fuel system 1 

(Standard specification)

1. Fuel filter
2. Priming pump
3. Fuel pre-filter (with water separator)
4. Valve
5. Fuel tank
6. Breather
7. Block
8. Injector
9. Common rail
10. Supply pump
11. Feed pump
12. Fuel cooling plate

(Poor fuel arrangement specification)

1. Fuel filter
2. Electric priming pump
3. Fuel pre-filter (with water separator)
4. Water separator
5. Valve
6. Fuel tank
7. Breather
8. Block
9. Injector
10. Common rail
11. Supply pump
12. Feed pump
13. Fuel cooling plate