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Sears LT1642 vs Sears ST/16 917.25740
Verdict: Sears LT1642 vs Sears ST/16 917.25740
The Sears LT1642 and the Sears ST/16 917.25740 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 16 hp. Sears LT1642 is the lighter machine (252 kg vs 303 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sears LT1642 is the newer design (1978 vs 1973). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Sears
62
Fit score
Best match
Clear
Sears
62
Fit score
Best match
Clear
Rated power
16 hp
16 hp
Confidence
40%
40%
Guide price
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—
Overview
Distributor
SearsReference
SearsReference
Manufacturer
MurrayReference
RoperReference
air-cooled vertical-shaftReference
Three gears (1-3) plus reverse (R) with two ranges (low and high).Reference
Original price
$1,679 (1979 )Reference
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Engine
Fuel tank
11.4 LReference
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Power (gross)
11.9 kWReference
11.9 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Displacement
—
27.66 ciReference
Bore/Stroke
—
89 x 73 mmReference
Oil change
—
25 hReference
Sparkplug gap
—
0.762 mmReference
Intake valve clearance
—
0.127 mmReference
Exhaust valve clearance
—
0.254 mmReference
Transmission
Gears
5 forward and 1 reverseReference
6 forward and 2 reverseReference
Dimensions
Weight
252 kgReference
303 kgReference
Front tire
15x6.00Reference
16x5.50Reference
Rear tire
18x9.50Reference
23x9.50Reference
Lawn/turf front
15x6.00Reference
16x5.50Reference
Lawn/turf rear
18x9.50Reference
23x9.50Reference
Length
160 cmReference
167 cmReference
Width
129 cmReference
92 cmReference
Height
96 cmReference
101 cmReference
Shipping weight
252 kgReference
303 kgReference
Wheelbase
—
110 cmReference
Sears LT1642 attachments
LT1642 Serial Numbers
1978
502.25519 (model code)Reference
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1979
502.25532 (model code)Reference
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Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
39Reference
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Attachment overview
42" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
106 cmReference
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Overall width
139 cmReference
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Cut height
4 to 9 cmReference
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Cut positions
5Reference
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PTO & Hydraulics
Mid PTO
—
independentReference
Clutch
—
manualReference
Sears ST/16 attachments
ST/16 Serial Number Location
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.