Simplicity lawn tractors 4040 tractor specifications

1972

1972 PowrMax SeriesGarden tractor

Series:

Series:4040 PowrMax4041 ↓

1973 - 1974

PowrMax Series

Garden tractor

Production

Production
Manufacturer	Simplicity
Type	Garden tractor
Factory	Port Washington, Wisconsin, USA

Simplicity 4041 Engine

Simplicity 4041 Engine
19.5HP Onan 816cc 2-cyl gasoline
Fuel tank	3.8 gal 14.4 L
Engine details ...

Simplicity 4041 Transmission

Simplicity 4041 Transmission
hydrostatic
Transmission details ...

Mechanical

Mechanical
Chassis	4x2 2WD
Steering	manual
Brakes	disc
Cab	Open operator station.

Hydraulics

Hydraulics
Pressure	500 psi 34.5 bar
Total flow	2.25 gpm 8.5 lpm

Tractor hitch

Tractor hitch
Rear Type	0

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO	independent
Clutch	electric
Rear RPM	2000
Front PTO	independent
Clutch	electric
Front RPM	3600

Dimensions & Tires

Dimensions & Tires
Wheelbase	56 inches 142 cm
Weight	1300 lbs 589 kg
Front tire	20x8-10
Rear tire	29x12.50-10
Full dimensions and tires ...

4041 Serial Numbers

4041 Serial Location

4041 Serial Location

Serial number decal on the right side of the tractor frame, above the foot rest.

Electrical

Electrical
Ground	negative
Charging system	flywheel alternator
Charging amps	20
Battery volts	12
Battery AH	45

Production

Production ManufacturerSimplicity TypeGarden tractor FactoryPort Washington, Wisconsin, USA

Simplicity 4040 Engine

Simplicity 4040 Engine 16.5HP Onan 816cc 2-cyl gasoline Fuel tank3.8 gal
14.4 L Engine details ...

1972

PowrMax Series

Garden tractor

Series:

Series:	4040 PowrMax
	4041 ↓

Engine Detail

Engine Detail
Onan CCKA
air gasoline
2-cylinder
liquid-cooled opposed-twin
Displacement	816 cc 49.8 ci
Bore/Stroke	3.25x3.00 inches 83 x 76 mm
Power	16.5 hp 12.3 kW
Fuel system	Marvel-Schebler downdraft carburetor
Air cleaner	paper element
Compression	7.0:1
Rated RPM	3600
Idle RPM	1200-3850
Starter	electric
Starter volts	12
Sparkplug	Champion H-8
Sparkplug gap	0.025 inches 0.635 mm
Point gap	0.020 inches 0.508 mm
Intake valve clearance	0.007 inches 0.178 mm
Exhaust valve clearance	0.016 inches 0.406 mm

Engine Oil

Engine Oil

Oil capacity	3.5 qts 3.3 L
Oil change	50 h

Simplicity 4040 Transmission

Simplicity 4040 Transmission hydrostatic Transmission details ...

1972

PowrMax Series

Garden tractor

Series:

Series:	4040 PowrMax
	4041 ↓

Transmission

Transmission
Transmission	Sundstrand 15
Type	hydrostatic
Gears	infinite forward and reverse (3-range)
Oil capacity	6 qts 5.7 L
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.