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Allis Chalmers 616 Special 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 ……………. 39
AC 616 Special Power Take-Off
Mid PTO Operational Type ……………. Independent
Mid PTO Clutch ……………. Mechanical idler pulley
Mid PTO Speed, rpm ……………. 3600
Transmission Configuration
Transmission Model ……………. Peerless
Transmission Type ……………. Belt-driven gear
Gearbox Type ……………. 5F/1R, gear
Number of Forward Gears ……………. 5
Number of Reverse Gears ……………. 1
Oil Capacity, qt (L) ……………. 3.2 (3.0)
Maximum Forward Speed, mph (kph) ……………. 4.0 (6.4)
Maximum Reverse Speed, mph (kph) ……………. 1.3 (2.1)
AC 616 Special Wheels and Tires
Drive Wheels ……………. 2WD 4×2
Steering Configuration ……………. Front steer
Steering System ……………. Manual
Brakes Type ……………. Mechanical disc
Front Tire Size ……………. 13-5.0×6
Rear Tire Size ……………. 18-9.5×8
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) ……………. 35.3 (890)
Ground Clearance, in (mm) ……………. 6 (155)
Weight, lb (kg) ……………. 635 (288)
Allis Chalmers 616 Special Attachments
42″ 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″ 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″ 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)