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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 →