Lawn Tractor · 1973Unverified
Simplicity 4041 PowrMax
Simplicity 4041 PowrMax — PowrMax Series · 20 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
20 hp
Weight
589 kg
Hover a source tag to verify
Overview
ManufacturerSimplicityReference
Garden tractorReference
Built in Port Washington, Wisconsin, USAReference
Two-wheel driveReference
Manual steeringReference
Disc brakesReference
Open operator station.Reference
Variants
620similar Allis Chalmers modelReference
Engine
19.5HP Onan 816cc 2-cyl gasolineReference
Fuel tank14.4 LReference
Onan CCKBReference
gasolineReference
2-cylinderReference
air-cooled horizontal-shaft opposed-twinReference
Displacement49.8 ciReference
Bore/Stroke83 x 76 mmReference
Power (gross)14.5 kWReference
Air cleanerpaper elementReference
Compression7:1Reference
Rated RPM3600Reference
Idle RPM1200-3850Reference
StarterelectricReference
Starter volts12Reference
SparkplugChampion H-8Reference
Sparkplug gap0.635 mmReference
Point gap0.508 mmReference
Intake valve clearance0.178 mmReference
Exhaust valve clearance0.406 mmReference
Oil capacity3.3 LReference
Transmission
hydrostaticReference
TransmissionSundstrandReference
TypehydrostaticReference
Gearsinfinite forward and reverse (3-range)Reference
Oil capacity4.7 LReference
Three-speed gear shift with hydrostatic transmissions. Hydrostatic must be in neutral to shift, although use of the foot clutch is not required or recommended.Reference
1ClutchReference
2ThrottleReference
3Forward/reverseReference
4Left brakeReference
5Right brakeReference
PTO & Hydraulics
Pressure34.5 barReference
Pump flow8.5 lpmReference
Rear Type0Reference
Rear PTOindependentReference
ClutchelectricReference
Rear PTO Type2000Reference
Front PTOindependentReference
Front PTO Type3600Reference
Dimensions
Wheelbase142 cmReference
Weight589 kgReference
Front tire20x8-10Reference
Rear tire29x12.50-10Reference
Ag front4.00x12Reference
Ag rear8x16Reference
Lawn/turf front20x8-10Reference
Lawn/turf rear29x12.50-10Reference
Length210 cmReference
Width109 cmReference
Width143 cmReference
Height (steering wheel)121 cmReference
Shipping weight589 kgReference
Simplicity 4041 attachments
60" mid-mount mower deckReference
snowblowerReference
bladeReference
front-end loaderReference
4041 Serial Number Location
Serial number decal on the right side of the tractor frame, above the foot rest.Reference
Electrical
GroundnegativeReference
Charging systemflywheel alternatorReference
Charging amps20Reference
Battery volts12Reference
Battery AH45Reference
Attachment overview
60" mid-mount mower deckReference
SnowblowerReference
BladeReference
Front-end loaderReference
The Simplicity 4041 was advertised with a single-bottom 12-inch plow or 48-inch rear tiller for gardening. In addition to the belly mower, a 48-inch rear mower or 57-inch sickle bar could be fitted.Reference
60" Mower deck
Typemid-mount SimplicityReference
Type3-blade with hydraulic liftReference
Cutting width152 cmReference
Cut height4 to 7 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.