The Sears 399 Hillary is a snowmobile with a rated power of 23 hp, a mid-range figure for its class. This model was built in 1969. It is powered by a 2-cylinder petrol air-cooled engine, paired with a tracked undercarriage. It suits operations of up to 200 ac. See the table below for complete UK and US figures with sourcing.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
23 hp
Catalogue coverage
Variants represented
2
Richest spec table
30 rows
Recorded power
23 hp
Production years
1969-1969
Verified variants
0
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Overview
DistributorSearsReference
ManufacturerOMCReference
SnowmobileReference
Built in Manawa, Wisconsin, USAReference
Original price was $1,219 in 1969Reference
TrackedReference
Manual steeringReference
Mechanical disc brakesReference
Suspensionbogie wheelsReference
Engine
23HP Kohler 399cc 2-cyl gasolineReference
Fuel tank17.0 LReference
Kohler K399Reference
gasolineReference
2-cylinderReference
air-cooledReference
Displacement24.4 ciReference
Bore/Stroke65 x 60 mmReference
Power17.2 kWReference
Cooling systemfanReference
Compression11.5:1Reference
Rated RPM5500Reference
StarterelectricReference
Starter volts12Reference
Dimensions
Length255 cmReference
Width81 cmReference
Height114 cmReference
Track width52 cmReference
399 Serial Numbers
Location:Serial number plate on the right side of the tunnel towards the rear.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
