EN20

14-0

1

Synchromesh transmission for heavy trucks

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

16 S 2520 TO ZF-Ecosplit (Truck)

Transmission type 16 S 2520 TO

Input torque max. 2500 Nm

Weight without auxiliaries ≈ 319 kg

Oil capacity for standard installation ≈ 13 dm3

Oil grade as specified in ZF List of Lubricants TE-ML 01 and/or TE-ML 02

Installation horizontal left, with integrated clutch bell

Additional weight for ZF-Intarder ≈ 69 kg

Additional oil quantity for ZF-Intarder ≈ 8 dm3

Additional weight for ZF-PTO NMV ≈ 80 kg

Standard ratios in gears (L = splitter low; H = splitter high)

1

L H L H L H L H L H L H L H L H L H

13.80 11.54 9.49 7.93 6.53 5.46 4.57 3.82 3.02 2.53 2.08 1.74 1.43 1.20 1.00 0.84 12.92 10.80

2 3 4 5 6 7 8 R

16 S 2520 TO - Basic transmission16 S 2521 TO - Transmission with Intarder16 S 2522 TO - Transmission with engine-dependent PTO NMV16 S 2523 TO - Transmission designed for 100% coasting torque

SERVOSHIFT is the standard shift system in all transmission versions.

see also Data Sheet for Intarder: IT_NewEcosplit_EN

Pictures: 033120; 018944_1; 034943

Subject to technical change without notice.

Installation dimensions

16 S 2520 TO

EN20

14-0

1

ZF Friedrichshafen AG • Lkw- und Van.Antriebstechnik • 88038 Friedrichshafen/GermanyTel. +49 7541 77-0 • Fax +49 7541 77-908000 • www.zf.com/truck-transmission

187

235

302

219 287

115 16

017

93 421.1

10

240

1.2 7

9

5

186

1015

1012

237

11

6

10

204

8

SAE

1

Input

Integrated clutch bell

Servoshift

Output

Oil drain

“Splitter” signal transmitter

Oil fill and oil overflow check

Speedometer connection, electronic (optional)

“Range change” signal transmitter

“Neutral” signal transmitter

“Reverse gear” signal transmitter

Connection point for clutch-dependent ZF-PTOs

1

2

3

4

5

6

7

8

9

10

11

12

488

307

292314

580

SA

E 1

599

2 3 4 5

1

Option to fit steering pump drive

ZF-Ecosplit transmission

ZF-Intarder unit

1

2

3

Oil /water heat exchanger

Connection for PTO

4

5