Specifications, Service and Repair of Farm and Lawn Tractors

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AC Farm Tractors / AC Garden Tractors / 608 / 610 / 611 / 611 Hydro / 616 Special

Allis Chalmers 616 Hydro Specifications

Allis Chalmers 616 Hydro Engine

Engine Model ................ Briggs and Stratton 401707
Engine Type ................ 4-Cycle, twin cylinder L-head, air-cooled gasoline
Number of Cylinders ................ 2
Displacement, cu.in (L) ................ 40.0 (0.655)
Engine Bore, in (mm) ................ 3.44 (87.0)
Engine Stroke, in (mm) ................ 2.16 (55.0)
Maximum Horse Power, hp (kW) ................ 16.0 (11.9)
Rated Engine Speed, rpm ................ 3600
Idle Engine Speed, rpm ................ 1750-3800
Maximum Torque, Nm (ft-lbs) ................ 34.8 (25.8)
Torque Speed, rpm ................ 2700
Fuel System ................ Carburetor
Governor ................ Mechanical (Flyweight)
Air Cleaner ................ Foam
Ignition System ................ Battery
Spark Plug Type ................ Champion RJ-12, Autolite 308 or AC R-46
Spark Plug Gap, in (mm) ................ 0.030 (0.76)
Breaker Point Gap, in (mm) ................ 0.020 (0.51)
Valve Clearance (Intake), in (mm) ................ 0.004-0.006 (0.10-0.15)
Valve Clearance (Exhaust), in (mm) ................ 0.007-0.009 (0.18-0.23)
Fuel Tank Capacity, gal (L) ................ 2.2 (8.3)
Oil Capacity, qt (L) ................ 1.50 (1.42)

Electrical System

Electrical System Rating, Volts ................ 12
Electrical Ground ................ Negative
Starter Type ................ Electric
Battery Voltage, Volts ................ 12
Battery Rating, Ah ................ 30

AC 616 Hydro Power Take-Off

Mid PTO Operational Type ................ Independent
Mid PTO Clutch ................ Mechanical idler pulley
Mid PTO Speed, rpm ................ 3600

Transmission Configuration

Transmission Type ................ Belt-driven hydrostatic
Number of Forward/Reverse Gears ................ Infinite
Pump Type ................ Variable displacement, reversible piston pump
Motor Type ................ Fixed displacement piston motor
Maximum Forward Speed, mph (kph) ................ 5.3 (8.4)
Maximum Reverse Speed, mph (kph) ................ 3.0 (4.8)

AC 616 Hydro Wheels and Tires

Drive Wheels ................ 2WD 4x2
Steering Configuration ................ Front steer
Steering System ................ Manual
Brakes Type ................ Mechanical disc
Front Tire Size ................ 13-5.0x6
Rear Tire Size ................ 20-8.0x10
Rear Tire Size ................ 20-10.0x10

Dimensions and Weight

Wheelbase, in (mm) ................ 48.1 (1220)
Length, in (mm) ................ 66.5 (1680)
Height (Steering Wheel), in (mm) ................ 40 (1010)
Height (Hood), in (mm) ................ 34 (860)
Overall Width, in (mm) ................ 34.8 (880)
Ground Clearance, in (mm) ................ 6 (155)
Weight, lb (kg) ................ 420 (190)

Allis Chalmers 616 Hydro Attachments

36 inch Mower Deck

Mower Deck Type ................ Mid-mount
Number of Blades ................ 2
Cutting Width, in (mm) ................ 36 (910)
Cutting Height, in (mm) ................ 1.3-3.2 (30-70)
Overall Width, in (mm) ................ 46 (1160)
Lift System ................ Manual
Weight, lb (kg) ................ 81 (36)

42 inch Mower Deck

Mower Deck Type ................ Mid-mount
Number of Blades ................ 3
Cutting Width, in (mm) ................ 42 (1060)
Cutting Height, in (mm) ................ 1.3-3.2 (30-70)
Overall Width, in (mm) ................ 57 (1440)
Lift System ................ Manual
Weight, lb (kg) ................ 112 (50)

36 inch Snow Blower

Snowblower Type ................ Front-mount, single-stage
Clearing Width, in (mm) ................ 36 (810)
Total Width, in (mm) ................ 37.5 (950)
Clearing Height, in (mm) ................ 19 (480)
Drive Type ................ Belt
Lift System ................ Manual
Weight, lb (kg) ................ 145 (65)

42 inch Front Blade

Blade Type ................ Front-mount
Width, in (mm) ................ 42 (1060)
Height, in (mm) ................ 15.8 (400)
Lift System ................ Manual
Angle ................ Manual
Weight, lb (kg) ................ 70 (31)

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ALLIS CHALMERS TRACTORS SPECIFICATIONS

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INTERNATIONAL HARVESTER TRACTORS SPECS

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