Products & Services

Off Highway

Construction, Industrial, and Mining businesses using diesel powered equipment across Ontario rely on Harper Power Products to supply, maintain and repair their hard-working, diesel engines.

Off-highway applications demand rugged engines. Engines that can work in high altitudes, extreme temperatures and on all types of terrains while delivering maximum productivity and profitability for our customers. MTU Detroit Diesel Engines have withstood some of the most demanding operating conditions in the world. From equipment operating in dust-laden mines to generator sets in the cold Arctic, MTU Detroit Diesel Engines provide steadfast, reliable power.

At Harper Power Products, we are also able to meet the needs of commercial vessel, workboat and Pleasurecraft marine owners with ease. We provide the experience and facilities required to assemble, install and maintain the latest in marine propulsion systems. We also feature ancillary, engine-driven, power take-off equipment for mechanical winching, hoisting and hydraulic arrangements.

Diesel Engines for Construction, Industrial, and Mining applications.

Sun Series
31-142 bhp
Series 700
43-124 bhp
Series 40*
175-250 bhp
Series 60
300-665 bhp
Series 900
101 -322 bhp
Series 2000
525 -1340 bhp
Series 4000
1000 – 3650 bhp
Reliabilt Series
Series 53, 60, 71 & 92

* MSHA Certification Only


Diesel Engines for Marine Applications.

Series 60
400 – 825 bhp
Series 2000
805 – 2000 bhp
Series 4000
940 – 3650 bhp


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