Hydraulic gearbox Technodrive TM345 for marine engine

The TM345 transmission features an innovative aluminum alloy housing and is equipped with hydraulically operated multi-disc clutches for enhanced efficiency in marine engines. Designed to withstand extreme maritime conditions, this transmission ensures optimal power transmission with the same gear ratio in both forward and reverse. The specially developed clutches and gears provide durability and consistent performance, making it ideal for both professional and recreational marine applications.
Engine Manufacturer Clutch actuation Output º Red.
MINI-29 Technodrive Hydraulic 0 2.00:1
MINI-33 Technodrive Hydraulic 0 2.00:1
MINI-44 Technodrive Hydraulic 0 2.00:1
MINI-55 Technodrive Hydraulic 0 1.54:1
MINI-62 Technodrive Hydraulic 0 2.00:1
MINI-74 Technodrive Hydraulic 0 2.00:1-2.00:1
SK-60 Technodrive Hydraulic 0 1.54:1
SM-82 Technodrive Hydraulic 0 1.54:1
SM-94 Technodrive Hydraulic 0 1.54:1
Oil SAE 15W40
Oil cap. 1,6 L
Max. Oper. º 15 º
Weight 25 Kg
Max. Temp 95 ºC
Gearbox type RECTO

Reduction ratios

Forward Reverse
1.54:1 1.54:1
2.00:1 2.00:1
2.47:1 2.47:1

All reductions are available on 45 mm and 75 mm shaft (L).

Compatible accessory

Yanmar heat exchanger kit 4JH

SAE 4 housing TM-345/A (H=12,5 mm)

SAE 3 housing gearbox

SAE 4 housing Y4JH3 (H=15,5 mm)

SAE 5 housing (H=12,5 mm)

SAE 5 housing Y3,4 JH3 (H=63 mm)

Flexible coupling Type B SAE 8"

Flexible coupling type C SAE 11"1/2

15W40 Sole Advance Oil 5L

15W40 Sole Advance Oil 20L

Trolling valve kit TM-345/A

Gearbox cable bracket pack

Heat exchanger pack TM-345/A

ATF Sole Advance Oil 5L

Flexible coupling DS Y3,4 JH3

Flexible coupling DS22 SAE 6" 1/2

Flexible coupling DS22 SAE 7" 1/2

Flexible coupling DS Iveco