Simplicity 9020 PowrMax

Manufacturer

Simplicity

Garden tractor

Built in Port Washington, Wisconsin, USA

720

similar Allis Chalmers model

Twin 20

similar Montgomery Ward model

19.5HP Onan 816cc 2-cyl gasoline

Fuel tank

3.8 gal 14.4 L

hydrostatic

Two-wheel drive

Manual steering

Disc brakes

Open operator station.

Pressure

500 psi 34.5 bar

Total flow

2.5 gpm 9.5 lpm

Rear Type

0

Rear PTO

independent

Clutch

electric

Rear PTO Type

2000

Front PTO

independent

Clutch

electric

Front PTO Type

3600

Wheelbase

56 inches 142 cm

Weight

1300 lbs 589 kg

Front tire

20x8.00-10

Rear tire

29x12.00-15

Ground

negative

Charging system

flywheel alternator

Charging amps

20

Charging volts

12

Battery volts

12

Battery AH

45

Lawn & Garden Power Equipment published in 1976, by Simplicity

Lawn & Garden Equipment published in 1978, by Simplicity

Lawn & Garden Equipment published in 1979, by Simplicity

Operator Manual System 9020 Pow'r Max (1651689) published in 1974

Operator's Manual Model 9020 (1657027) published in 1978

Operator's Manual Model 1690112 Loader

Operator's Manual System 9000 Loader (TP-1380)

Manufacturer

Onan CCKB

Fuel Type

Gasoline

Configuration

2-cylinder, air-cooled horizontal-shaft opposed-twin

Displacement

816 cc 49.8 ci

Bore/Stroke

3.25x3.00 inches 83 x 76 mm

Power (gross)

19.5 hp 14.5 kW

Air cleaner

paper element

Compression

7:1

Rated RPM

3600

Idle RPM

1300-3850

Starter

electric

Starter volts

12

Sparkplug

Champion H-8

Autolite AL5

Sparkplug gap

0.025 inches 0.635 mm

Point gap

0.020 inches 0.508 mm

Oil capacity

4 qts 3.8 L

Oil change

100 h

Transmission

Sundstrand

Type

hydrostatic

Gears

infinite forward and reverse (3-range)

Oil capacity

6 qts 5.7 L

Oil type

ATF AATF FDextron

ATF A

ATF F

Dextron

ATF F

Dextron

Ag front

4.00-12

Ag rear

8.00-16

Ag front

6.00-9

Ag rear

31.5-15.5

Lawn/turf front

20x8.00-10

Lawn/turf rear

29x12.00-15

Wheelbase

56 inches 142 cm

Length

83 inches 210 cm

Width

56 inches 142 cm

Height (steering wheel)

48 inches 121 cm

Shipping weight

1300 lbs 589 kg

Clearance (front axle)

15 inches 38 cm

Clearance (drawbar)

13 inches 33 cm

60" mid-mount mower deck

Snowblower

Blade

Front-end loader

Tillage tools for the Simplicity PowrMax 9020 included a 54-inch cultivator, 12-inch plow, and 48-inch tiller. A 48-inch rear-mounted rotary mower or 57-inch sickle bar mower, or belly mower could be used. An aircraft towing hitch was advertised, which would tow planes weighing up to 25,000 pounds.

Type

mid-mount Simplicity

3-blade with hydraulic lift

Cutting width

60 inches 152 cm

Weight

290 lbs 131 kg

Overall width

71 inches 180 cm

Cut height

1.625 to 3 inch 4 to 7 cm