EN20

13-0

9

Automatic transmission system for coaches

Subject to technical change without notice.ZF Friedrichshafen AG • Bus-Antriebstechnik • 88038 Friedrichshafen/GermanyTel. +49 7541 77-0 • Fax +49 7541 77-908000 • www.zf.com/bus-transmission

12 AS 2301 BO ZF-ASTronic (Bus)

Transmission type 12 AS 2301 BO

Input torque max. 2300 Nm

Weight with Intarder, without auxiliaries ≈ 330 kg

Oil capacity with Intarder, for initial filling ≈ 22,5 dm3

Oil grade as specified in ZF List of Lubricants TE-ML 02

Clutch bell housing SAE 1 integrated

Standard ratios in gear

1

12.33

2

9.59

3

7.44

4

5.78

5

4.56

6

3.55

7

2.70

8

2.10

9

1.63

10

1.27

11

1.00

12

0.78

R

11.41

Pictures: 033132; 034989_1; 034991

Subject to technical change without notice.

12 AS 2301 BO

EN20

13-0

9

ZF Friedrichshafen AG • Bus-Antriebstechnik • 88038 Friedrichshafen/GermanyTel. +49 7541 77-0 • Fax +49 7541 77-908000 • www.zf.com/bus-transmission

Installation dimensions

Output

Breather

Connection to vehicle cable harness

Intarder control unit

Input

Gearshift module

1

2

3

4

5

6

8

7 ZF-Intarder (integrated retarder)

Oil drain transmission

Speedometer connection

Oil fill and oil overflow check

Clutch module

Heat exchanger

9

10

11

12

Braking graph ZF-Intarder

1 2 3 5 5 4

10 12 8 7 9 11

6

295300

278

304.

5

1066

898

4500

500

1000

1500

2000

2500

3000

3500

4000

500 1000 1500 2000 25000

Intarder 3 AS Tronic EcoIntarder 3 AS Tronic Power

600 kW

Artic shaft speed →