Allis Chalmers lawn tractors

Allis Chalmers 611 Hydro

The Allis Chalmers 611 Hydro is a lawn tractor produced from 1983 to 1985 as part of the 600 Lawn Series. It features an 11 hp Briggs & Stratton 399cc 1-cylinder gasoline engine, hydrostatic transmission with infinite forward and reverse speeds, and two-wheel drive with manual steering and disc brakes. The tractor was built in Port Washington, Wisconsin, USA, and originally sold for $2,499 in 1984. It has a wheelbase of 45.5 inches, weighs 550 lbs with the 36-inch mower deck, and uses lawn/turf tires sized 13-6.00x6 front and 18-8.50x8 rear. Attachments include a 36-inch mid-mount mower deck, snowblower, and blade. Electrical system is 12 volts with negative ground and 3 amps charging.

Power-

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Model611 Hydro

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 611 Hydro

Engine

Type	gasoline
Model	Briggs & Stratton 252707
Power	11 hp (8.2 kW)
Cooling	air-cooled vertical-shaft
Idle RPM	1750-3400
Cylinders	1-cylinder
Fuel tank	2.2 gal (8.3 L)
Rated RPM	3600
Air cleaner	foam
Bore/Stroke	3.44x2.62 inches (87 x 67 mm)
Displacement	399 cc (24.36 ci)
Oil capacity	1.5 qts (1.4 L)
Starter volts	12

Overview

Drive	Two-wheel drive
Brakes	Disc brakes
Series	600 Lawn Series
Built in	Port Washington, Wisconsin, USA
Category	Lawn tractor
Steering	manual
Original price	$2,499 in 1984
Operator station	Open operator station
Production years	1983 - 1985

Electrical

Ground	negative
Battery volts	12
Charging amps	3

Attachments

Blade	front-mount, 42 inches width (106 cm), height 15.75 inches (40 cm), weight 70 lbs (31 kg)
Cut height	1.5 to 3.5 inch (3 to 8 cm)
Snowblower	front-mount, 36 inches width (91 cm), total width 37.5 inches (95 cm), clear height 19 inches (48 cm), weight 145 lbs (65 kg)
Cutting width	36 inches (91 cm)
Mower deck weight	81 lbs (36 kg)
36" mid-mount mower deck	3-blade with manual lift
Mower deck overall width	46 inches (116 cm)

Transmission

Type	belt-driven hydrostatic
Gears	infinite forward and reverse
Oil capacity	0.72 qts (0.7 L)

Dimensions & Tires

Width	33.75 inches (85 cm)
Length	65.25 inches (165 cm)
Weight	550 lbs (249 kg) *With with 36-inch mower deck.
Rear tire	18-8.50x8
Wheelbase	45.5 inches (115 cm)
Front tire	13-6.00x6
Height (hood)	33.5 inches (85 cm)
Ground clearance	5.5 inches (transmission) (13 cm)
Clearance (front axle)	9.2 inches (23 cm)
Height (steering wheel)	39 inches (99 cm)