Simplicity lawn tractors

Simplicity 4041 PowrMax

The Simplicity 4041 PowrMax is a garden tractor produced from 1973 to 1974. It features a 19.5 hp Onan 816cc 2-cylinder gasoline engine, hydrostatic transmission by Sundstrand with infinite forward and reverse speeds, and two-wheel drive with manual steering. The tractor includes disc brakes and an open operator station. It has a wheelbase of 56 inches and weighs 1300 lbs. The 4041 supports various attachments including a 60" mid-mount mower deck, snowblower, blade, and front-end loaders built by Ark. It was built in Port Washington, Wisconsin, USA and is part of the PowrMax Series.

Power19 hp

Founded60" deck

Model4041

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Technical Specifications

Detailed specifications and technical data for Simplicity 4041 PowrMax

Tires

Ag rear	8x16
Ag front	4.00x12
Lawn/turf rear	29x12.50-10
Lawn/turf front	20x8-10

Engine

Starter	electric
Idle RPM	1200-3850
Fuel tank	3.8 gal (14.4 L)
Point gap	0.020 inches (0.508 mm)
Rated RPM	3600
Sparkplug	Champion H-8
Air cleaner	paper element
Bore/Stroke	3.25x3.00 inches (83 x 76 mm)
Compression	7:1
Displacement	816 cc (49.8 ci)
Oil capacity	3.5 qts (3.3 L)
Engine Detail	Onan CCKB gasoline 2-cylinder air-cooled horizontal-shaft opposed-twin
Power (gross)	19.5 hp (14.5 kW)
Sparkplug gap	0.025 inches (0.635 mm)
Starter volts	12
Intake valve clearance	0.007 inches (0.178 mm)
Exhaust valve clearance	0.016 inches (0.406 mm)

Dimensions

Width	43.3 inches (min) (109 cm), 56.5 inches (max) (143 cm)
Length	83 inches (210 cm)
Wheelbase	56 inches (142 cm)
Shipping weight	1300 lbs (589 kg)
Height (steering wheel)	48 inches (121 cm)

Electrical

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

Hydraulics

Pressure	500 psi (34.5 bar)
Pump flow	2.25 gpm (8.5 lpm)

Mechanical

Drive	Two-wheel drive
Brakes	Disc brakes
Steering	Manual steering
Operator station	Open operator station

Production

Series	PowrMax Series
Built in	Port Washington, Wisconsin, USA
Category	Garden tractor
Years made	1973 - 1974

Attachments

Overview	60" mid-mount mower deck, Snowblower, Blade, Front-end loader. 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.
60" Blade	Simplicity front-mount, 60 inches width (152 cm), hydraulic-lift, manual-angle
1690112 Loader	built by Ark, 400 lbs lift (full at pin) (181 kg), 650 lbs breakout (294 kg), 45° dump, 24.75 inches reach (dumped) (62 cm), 52 inches reach (ground) (132 cm), 8° rollback (ground line), 85 inches height (at pin) (215 cm), 66.5 inches clearance (dumped) (168 cm), Bucket width: 40 inches (101 cm) and 48 inches (121 cm)
1690157 Loader	built by Ark, 400 lbs lift (full at pin) (181 kg), 650 lbs breakout (294 kg), 43° dump, 23.5 inches reach (dumped) (59 cm), 51.5 inches reach (ground) (130 cm), 8° rollback (ground line), 86.5 inches height (at pin) (219 cm), 69 inches clearance (dumped) (175 cm), Bucket width: 48 inches (121 cm)
60" Mower deck	mid-mount Simplicity, 3-blade with hydraulic lift, Cutting width 60 inches (152 cm), Cut height 1.625 to 3 inch (4 to 7 cm)
52" Snow blower	Simplicity, 52 inches width (132 cm), single-stage, front-mount, hydraulic-lift

Transmission

Type	hydrostatic
Gears	infinite forward and reverse (3-range)
Notes	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.
Controls	1: Clutch, 2: Throttle, 3: Forward/reverse, 4: Left brake, 5: Right brake
Oil capacity	5 qts (4.7 L)
Transmission	Sundstrand

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