Dongfeng DFA1101GZ5AD6J-907. Manual - part 3

Main Technical Specifications

2—2

                                              

Operational Data

（

km/h）

Max speed

105

Max gradability (Full-load on dry and hard      
road, the slope length is over 15m)

≥

30%

Ability of parking on the slope

≥

20%

100km fuel consumption （L）

≤

13

Max continuous running distance （km） 

500

Fuel type

RC-0#(summer), RC- 
10#(winter)  vehicle used  
light diesel oil

Engine Parameter

Model

EQB140-20

Type

4 in-line cylinders, supercharging   
and intercooling, direct injecting   
DONGFENG Cummins diesel 

 

engine, reach the European II 

 

 

 

displacement standard

×

Stroke （mm × mm）

Bore

102 × 120

Displacement （L）

3.92

Compression ratio

17.3:1

Rated power （kW/rpm）

103/2700

Rated torque （N.m/r/min）

502/1500

Min. specific fuel consumption
 (g/kW.h)

 210

Injecting order

1-3-4-2

Main Technical Specifications  

                                            2—3             

Chassis Type and Structure Parameter

1.Clutch

Ø350  mm single , dry disc, hydraulic remote control.

2.Transmission

Manual mechanical transmission, six  gears forward, one  reverse,       

with synchronizers on 2nd to 6th gear. There is a take-off window on the             
right side, controlled by flexible shaft.

Speed ratio:

Gear

 Ⅰ

Ⅱ

Ⅲ

Ⅳ

Ⅴ

Ⅵ

R

Sp e e d
ratio

7.454

4.823

3.075

1.976

1.480

1.000

6.709

3.Propeller shaft

Cardan universal joint, depart into  two parts..

4.Front axle

Forging, I-beam axle.
Front wheel aligner：kingpin inclination           7°
                               caster                                 2°
                               camber                               1°
                               toe-in                                  0~5mm

5.Drive axle

Founding  axle housing, single-stage and double-curved  gear      

reductor, fully floating axle shaft.

Final drive: 4.33

6.Suspension system

Both front and rear suspension are dependent, laminated leaf-        

spring, with an auxiliary spring on rear suspension.

Hydraulic telescopic damper: Equipped on the front suspension
Number of spring leaf: Front: 11, Rear 13+8.

7.Wheel

Main Technical Specifications

2—4

                                              

Single tyre on the front axle, double tyre on the rear tyre, and a             

spare tyre on the spare tyre carrier hang under the rear end of the             
frame.

Tyre：8.25-20
Tyre inflating pressure: 
Front wheel is 490kPa and rear wheel is 560kPa, while the allow-           

able inflating pressure is 630kPa.

8.Steering system

Circulating ball type with power steering.
Max front wheel turning angle (inside/outside):  40°/32°

9.Brake system

Service brake：dual-circuit, air  brake system, and front and rear        

brake are self-adjustable, cam, air-operated, drum brake with the        
exhaust auxiliary brake system.

Parking brake：spring brake controlled by manual-operated  valve      

through air pipes.

10.Frame

Ladder type, longitudinal is grooving section  and  riveted  by  several         

crossbeams, part of the frame has stiffening plate.

11.Electric equipment and instruments

Single, negative earthed line, 24V.
Battery：6-QW-90DF
Starter：24V, 3.7kW
Alternator：45A, 28V
Main switches：
Power switch, combined switch, ignition switch,  assistant  starting       

switch, heater switch, etc.

Instruments：
 Speedometer and odometer, water temperature gauge, fuel gauge,        

air-pressure gauge, oil pressure gauge, etc.

Indicators:
Water temperature indicator, oil pressure indicator, fuel level warn-        

ing indicator, oil pressure warning indicator,  turning  signal  indicator,        

Main Technical Specifications  

                                            2—5             

charge warning indicator, parking indicator, water overheat or level over         
low warning indicator, reversing warning indicator, electric horn, etc.

Lamps:
Head lamp,  front combined lamp,  fog lamp,  turning  signal  lamp,         

license lamp, tail  combined lamp, front clearance lamp,  rear  clearance          
lamp, side marker lamp, etc.

12.Cab

New developed, all metal structure, tilting, wide cab with single row          

and a sleeper. Interior trimming has two types: standard and luxury. The           
driver's seat can be adjusted for ward and backward. The driver and the            
assistant's seats are fitted with 3 point-seat belt, the middle seat is fitted            
with 2 point-seat belt. The cab is equipped with  full-scope  windshield,          
sun shield, inner rear view mirror, and radio cassette, etc. 

13.Tools equipment

Every commercial vehicle is equipped with a set of tools.