Sears GT/19.9 917.25708
The Sears GT/19.9 917.25708 is a tractor produced by Sears Lawn Tractors. It is equipped with a 855 cc 52.2 ci engine. The rated power output is 19.9 hp 14.8 kW. Transmission: Peerless. Operating weight: 636 lbs 288 kg.
Engine Power
19.9 hp
14.8 kW
Fuel & Capacities
3.25 gal
12.3 L
Transmission
Peerless
Operating Weight
636 lbs
288 kg
Sears Lawn Tractors Sears GT/19.9 917.25708 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1978 - 1980
Garden tractorRoper built |
|---|---|
1978 - 1980 | |
Garden tractor | |
Roper built | |
1978 - 1980 | |
|---|---|
Garden tractor | |
Roper built |
Production | |
|---|---|
Distributor | Sears |
Manufacturer | Roper |
Garden tractor | |
Original price was $2,879 in 1979 | |
Sears GT/19.9 Engine | |
|---|---|
19.9HP Onan 855cc 2-cyl gasoline | |
Fuel tank | 3.25 gal
12.3 L |
Engine details ... | |
Sears GT/19.9 Transmission | |
|---|---|
6-speed gear | |
Transmission details ... |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Mechanical band brakes | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Front PTO | independent |
Clutch | mechanical |
Dimensions & Tires | |
|---|---|
Weight | 636 lbs
288 kg |
Front tire | 16x6.50-8 |
Rear tire | 23x10.00-12 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 15 |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Owner's Manual GT/19.9 Twin Garden Tractor published in 1978 | |
Garden Tractors published in 1980, by Sears | |
Riding Mowers, Lawn Tractors, Garden Tractors and Attachments published in 1979, by Sears | |
Fall/Winter published in 1978, by Sears | |
Spring/Summer Catalog published in 1978, by Sears |
Engine
![]() | 1978 - 1980
Garden tractorRoper built |
|---|---|
1978 - 1980 | |
Garden tractor | |
Roper built | |
1978 - 1980 | |
|---|---|
Garden tractor | |
Roper built |
Engine Detail — 855 cc / 52.2 ci Gasoline
Manufacturer | Onan N52M |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft opposed twin |
Displacement | 855 cc
52.2 ci |
Bore/Stroke | 3.5625x2.625 inches
90 x 67 mm |
Power (gross) | 19.9 hp
14.8 kW |
Compression | 6.5:1 |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 1.75 qts
1.7 L |
Oil change | 25 h |
Transmission
![]() | 1978 - 1980
Garden tractorRoper built |
|---|---|
1978 - 1980 | |
Garden tractor | |
Roper built | |
1978 - 1980 | |
|---|---|
Garden tractor | |
Roper built |
Transmission — Peerless
Transmission | Peerless |
Type | belt-driven gear |
Gears | 6 forward and 2 reverse |
Clutch | mechanical idler pulley |
Oil capacity | 5 qts
4.7 L |
Oil type | SAE 30 |
Oil change | 480 h |
Three gears (1-3) plus reverse (R) in two ranges (low/high). | |
Dimensions
![]() | 1978 - 1980
Garden tractorRoper built |
|---|---|
1978 - 1980 | |
Garden tractor | |
Roper built | |
1978 - 1980 | |
|---|---|
Garden tractor | |
Roper built |
Sears GT/19.9 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 23x10.00-12 |
Dimensions | |
|---|---|
Length | 68.5 inches
173 cm |
Width | 36.5 inches
92 cm |
Height | 40 inches
101 cm |
Shipping weight | 636 lbs
288 kg |
Attachments
![]() | 1978 - 1980
Garden tractorRoper built |
|---|---|
1978 - 1980 | |
Garden tractor | |
Roper built | |
1978 - 1980 | |
|---|---|
Garden tractor | |
Roper built |
Attachment overview | |
|---|---|
42" mid-mount mower deck | |
48" mid-mount mower deck | |
Snowblower | |
Blade | |
Front-end loader | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
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