Compare/Sears GT-16 Twin 502.25704 vs Sears GT/18 Hydro 917.25707

Sears GT-16 Twin 502.25704 vs Sears GT/18 Hydro 917.25707

Verdict: Sears GT-16 Twin 502.25704 vs Sears GT/18 Hydro 917.25707

The Sears GT-16 Twin 502.25704 and the Sears GT/18 Hydro 917.25707 are both lawn tractors — here is how they stack up on the figures that matter. Sears GT/18 Hydro 917.25707 leads on rated power with 18 hp against 16 hp. Sears GT-16 Twin 502.25704 is the lighter machine (267 kg vs 312 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sears GT-16 Twin 502.25704 holds more fuel (11.4 L vs 7.6 L) for longer stints between fills. In short: choose the Sears GT/18 Hydro 917.25707 for outright pulling power, or the Sears GT-16 Twin 502.25704 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Sears

Fit score

Best match

Clear

Sears

Fit score

Best match

Clear

Rated power

16 hp

18 hp

Confidence

40%

Guide price

—

Overview

Distributor

SearsReference

Manufacturer

MurrayReference

RoperReference

Image courtesy of Timothy EarnhartReference

air-cooled horizontal-shaft opposed twinReference

Original price

$1,849 (1979 )Reference

—

Variants

4166

similar Murray modelReference

—

GT/18

—

gearReference

GT18H

—

hydrostaticReference

Engine

Fuel tank

11.4 LReference

7.6 LReference

Displacement

40 ciReference

47.7 ciReference

Bore/Stroke

87 x 55 mmReference

83 x 73 mmReference

Power (gross)

11.9 kWReference

13.4 kWReference

Starter

electricReference

Starter volts

12Reference

Oil capacity

—

4.3 LReference

Oil change

—

25 hReference

Transmission

Gears

4 forward and 1 reverseReference

infinite forward and reverseReference

Oil type

—

Type F ATFReference

Dimensions

Weight

38 kgReference

312 kgReference

Front tire

16x5.50Reference

16x6.50-8Reference

Rear tire

22x7.50Reference

23x10.00-12Reference

Lawn/turf front

16x5.50Reference

16x6.50-8Reference

Lawn/turf rear

22x7.50Reference

23x10.00-12Reference

Length

165 cmReference

173 cmReference

Width

93 cmReference

92 cmReference

Height

104 cmReference

105 cmReference

Shipping weight

267 kgReference

312 kgReference

Sears GT-16 Twin attachments

Electrical

Ground

negativeReference

Battery volts

12Reference

42" Mower deck

Type

belt-driven gearReference

belt-driven hydrostaticReference

Cutting width

106 cmReference

—

Sears GT/18 Hydro attachments

Attachment overview

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.