The Type 155 engine is based on the MITSUBISHI 'SL' series engine, and offers a lightweight, low profile engine designed to suit the tightest installation. The Type 155 is easy to install and economical to operate and features:
-
Low Noise
- Low Exhaust Emissions
- Low Fuel Consumption
- Easy Maintenance
- Compact Design for Easy Installation
A full range of options are available allowing you to tailor your engine to fit your individual requirements. The specifically designed Keel-cooled (Skin-tank) version is particularly attractive for canal and inland waterways steel narrowboats up to 70 feet in length.
Marine Transmissions
The standard Marine Transmission is the PRM 150 
hydraulic
gearbox. Optional alternatives include the Hurth HBW 250 or
PRM 260
gearboxes. Optional reduction ratios are also avilable to the
standard ratio listed and are subject to compatibility with the
chosen propellor size.
Instrument Panels
The standard Instrument Panel comprises warning lights for Alternator/Glow Plugs/Water Temperature/Oil Pressure, Warning Buzzer, Electric Starter Key switch & 3mtr Wiring Loom. Optional Upgrades are also available.
ENGINE RATINGS
67 bhp @ 3600 rpm Special Applications Only
bhp @ 3000 rpm Pleasure (Intermittent Rating)
52 bhp @ 3000 rpm Commercial (Continuous Rating)
SERVICE CLASSIFICATION DEFINITIONS
Thornycroft reserves the right to change material, specification, dimensions or design of the engines shown, described or referred to herein at any time and without prior notice. every reasonable effort is made to ensure that the Company's publications are up to date but nothing shown, described or referred to herein should be regarded as infallible guide to the materials, specifications, dimensions, design, or availability of any particular engine, nor does this publication constitute an offer for the sale of any particular engine.