Coll 0 #1 Posted May 8, 2019 Hi ive just go an old wheeled horse mower, says it’s a 316-8 on bonnet, and has a Briggs and Stratton 18hp twin engine in it. i was trying to find some sort of service manual for it but haven’t come across any others with this engine. do you think someone has put it in at a later date or did they make a version with this engine? thanks Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,490 #2 Posted May 8, 2019 The original engine would have been an Onan. The O in the model number is the engine B1-16O801 (316-8) - Toro 316-8 Garden Tractor (1988) B1-16O802 (316-8) - Toro 316-8 Garden Tractor (1989) R1-16O801 (316-8) - Toro 316-8 Garden Tractor (1990) R1-16O802 (316-8) - Toro 316-8 Garden Tractor (1990) R1-16O804 (316-8) - Toro 316-8 Garden Tractor (SN: 2000001 - 2999999) (1992) There was also a R1-16O803 in 1991 but is named a 416-8 The tractor decal should be on the rear fender pan under the left side of the seat. Post all the numbers off the engine and will look for info on what you have. Garry 1 Share this post Link to post Share on other sites