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elhigh · 04-19-2013, 03:28 PM

The original 633cc engine was good for about 28hp, you could conceivably replace it with a C0.7 Caterpillar diesel. You'd be down on power but probably enjoy a nice little torque bump. The Cat is about 19 inches long and weighs 160lbs.

Comparable: Kubota D902-E4B, approx. 900cc inline 4, 25hp, 18.5 inches long, about 160lbs.

Comparable: Kohler (Lombardini) diesel, 1000cc inline 3, 26hp, 20.2 inches long, about 190lbs.

Comparable: Yanmar 3TNV70-ASA, 850cc inline 3, 22hp, 20.7 inches long, about 220lbs.

Fun project. It might be really hard to fit one of these engines into that dinky little engine bay, though.

04-19-2013, 03:28 PM	#6 (permalink)
elhigh Master Novice Join Date: Jan 2008 Location: SE USA - East Tennessee Posts: 2,314 Josie - '87 Toyota Pickup 90 day: 29.5 mpg (US) Felicia - '09 Toyota Prius Base 90 day: 52.44 mpg (US) Thanks: 427 Thanked 616 Times in 450 Posts	The original 633cc engine was good for about 28hp, you could conceivably replace it with a C0.7 Caterpillar diesel. You'd be down on power but probably enjoy a nice little torque bump. The Cat is about 19 inches long and weighs 160lbs. Comparable: Kubota D902-E4B, approx. 900cc inline 4, 25hp, 18.5 inches long, about 160lbs. Comparable: Kohler (Lombardini) diesel, 1000cc inline 3, 26hp, 20.2 inches long, about 190lbs. Comparable: Yanmar 3TNV70-ASA, 850cc inline 3, 22hp, 20.7 inches long, about 220lbs. Fun project. It might be really hard to fit one of these engines into that dinky little engine bay, though. __________________ Lead or follow. Either is fine.