Javalina 12 - JBII - built from November 1968 -1972- this and its twin the Javalina 14 - JBI - was a tractor ahead of its time- revolutionary in looks these were hydrostatic driven tractors- 3pt hitch was an option- front pto was standard- rear pto gear box was an option- this solid GT's offered safety features not seen in many Gt's during this time- the tractor had to be in neutral to start- the left saddle box swings out for entry onto the tractor- this saddle box had a cut-off switch- the saddle box had to be closed for the tractor to run- originally called a Javalina the name was later change to Jabalina. JBII came with Briggs and Stratton 12hp motors- the JBI came with a Briggs and Stratton 14hp motor- slight differences include parking brake placement, front axle is slightly set back on JBII, wider tires and 6 lug rear hubs on the JBI. JBII serial numbers so far range from 2513 to 2859. JBI serial numbers range from 513 to 699. JBII weight 850lbs. JBI weight 1140 lbs.
D4-12-only shows up in the 1971 price list- this was a D4-10 shell with a 12hp Tecumseh HH120 motor- white rims- may have had a few subtle differences from the D4-10. Low production model. Serial numbers so far range from 101 to 283.
ALL BUSH HOG GT'S WERE BUILT FROM THE END OF 1962 THROUGH 1972.
THEY WERE ALL PRODUCED IN GALESBURG, KANSAS, NOT SELMA, ALA.
T-63 TE-63 electric start- TR-63 rope start - built from end of 1962 to 1965- Wisconsin S7D motor- gear driven- automotive style clutch- 32" single blade octagon shaped mower deck- cast aluminum rear transaxle body- no rear pto on the early made models, but now finding some of the later models did have it- rear sleeve hitch - front grill material was expanded light weight metal- earliest serial number so far is #1206 and latest is #2034. These were heavy built riding tractors. Most GT's at that time were belt driven. Belts in those days were mostly rubber and did not hold up like todays belts. Gear driven tractors were promoted as better and more reliable.
V4-10- only shows up in the 1971 price list- this was a low production model- belt driven variable speed with a 4 speed peerless transmission- sleeve hitch- I am still collecting data at this point. I know of one V4-10 that has a V4-7 serial plate much like what we saw with the V4-8 series tractors. These tractors came with a 10 hp Tecumseh HH100 motor. No rear pto on these models.
NOTE OF INTEREST- FROM D4-10'S ON -THE SEAT SET UP, FENDERS, AND FLOORBOARDS WERE ALL INTERCHANGEABLE WITH THE FOLLOWING MODELS : ALL LATER V-SERIES , HD-12, D4-12, AND SOME LATER D4-7'S.
HD-12 - built from mid July 1966 - 1968 - this tractor is 35-40% larger than the other Bush Hog GT's- all were hydrostatic drive tractors using a sundstrand transaxle- 12 hp either a Wisconsin S12-D or a Tecumseh HH120. Rear pto gear reduction box was an option- came in two versions HD-12 with 15" rear rims and 12" front rims or the HW-12 with 12" rear rims and 10" front rims- W meaning "wide tires" since the rear tires were Goodyear Terra Ags 26 x 12 x12- tractor has no brakes- tractor is stopped by returning the lever to the neutral point- has hydraulic lift- sleeve hitch - 42" mower deck -weighs approximately 830 lbs Only produced for about 1 1/2 years- serial numbers range from 5251 to 5456. This model was replaced by the JB series tractors in late 1968.
D4-7 - built from 1966 to 1968- this model replaced the T-63 -all were gear driven- all came with Wisconsin S7D motors - grill heavier than original T-63 grill- made of expanded steel- rear pto possibly not on early models- but all later models had them- sleeve hitch- early model transaxle body was cast aluminum- 32" or 42" mower decks were available- serial numbers so far range from 7012 to 7892 – (there is 1 6000 serial numbered tractor owned by a fellow collector).
V-series - V4-6, V4-7 and V3-6 - electric start or rope start - built from 196? to 1967- all pulley driven variable drive GT's- V4 were 4 speed peerless transmissions- V3 were 3 speed peerless transmission- either 7 hp or 6 hp motors- 6hp were Tecumseh HH60 motors- 7hp were Wisconsin S7D motors- 32" single blade round mower deck- no rear pto option was available- note seat set up in the picture- grills was U shaped metal welded vertically only model that had this style grill- sleeve hitch -These tractors were priced lower than the gear driven tractors- I suspect these models were made to offer the dealers a lower and probably more competitive model to sell. Weighs around 640 lbs
VE4-8 - built from November 1968 -1972- belt driven tractor- at this point pretty much the same tractor as the D-series tractor except the 4 speed peerless transmission and it is a belt driven variable speed GT- no rear pto option available- all the V4-8's I have seen have V4-8 stenciled on the hoods and V4-7 serial plates- Tecumseh HH80 motors- 42" mower decks- serial numbers for this tractor are very limited. I suspect this is a pretty low production model.
D4-10- built from 1966 to 1972- this was the most produced and sold model- early models had TR10-D motors, later models had TRA10-D and Tecumseh HH100- around 1971 only Tecumseh HH100's were used- seat set up from these models on were used on all the models except the JB series tractors- all are gear driven- rear pto were standard from 1966 till around 1971 where it became an option- early tractors had yellow rims- later models came with white rims- transaxle body and axle tubes were beefed up and now were made of cast steel- sleeve hitch- this tractor weighs around 700 lbs- a 32" and 42" mower deck were available- but I have never seen one with a 32" deck- D4-10 came with a parking brake- serial numbers so far range from 8008 to 10500
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I HAVE STARTED A BUSH HOG REGISTRY TO FIND OUT HOW MANY OF THESE MODELS WERE MADE AND HOPEFULLY WHEN THEY WERE MADE. PLEASE CONTACT ME WITH YOUR TRACTORS MODEL NUMBER, SERIAL NUMBER MOTOR SERIAL NUMBER, ETC. THE MORE INFORMATION WE CAN GATHER , THE BETTER THE INFORMATION I CAN SHARE.