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John Deere 110 and 112 Lawn and Garden Tractors Specifications

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Complete specifications for the John Deere 110 and 112 lawn and garden tractors, transcribed from the specifications section of the factory operator's manual (OM-M44260, for serial numbers 130,001 and up). Both were built at Horicon, Wisconsin: the 110 from 1963 and the 112 from 1966, through 1974. This manual issue covers three engine versions side by side: the 110 with an 8 hp Kohler K181, and the 112 with either a 10 hp Tecumseh HH100 or a 10 hp Kohler K241. Each came with manual lift or hydraulic lift (the "H" models). All share a 4-speed transaxle with a V-belt clutch.

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Models

Specification 110 (Kohler) 112 (Tecumseh) 112 (Kohler)
Manual Lift 110 112 112
Hydraulic Lift 110H 112H 112H

Engine

Specification 110 (Kohler) 112 (Tecumseh) 112 (Kohler)
Manufacturer Kohler Tecumseh Kohler
Model K181 HH100 K241
Cylinders One — all versions
Cycle 4 — all versions
Bore and Stroke 2.94 × 2.75 in. 3.31 × 2.75 in. 3.25 × 2.875 in.
Displacement 18.63 cu. in. 23.75 cu. in. 23.9 cu. in.
Horsepower1 8 @ 3600 rpm 10 @ 3600 rpm 10 @ 3600 rpm
Fast Speed 1800–3800 rpm — all versions
Idle Speed 1200–1700 rpm — all versions
Compression 110–120 psi — all versions
Valve Clearance — Intake (cold) 0.007 in. 0.010 in. 0.010 in.
Valve Clearance — Exhaust (cold) 0.016 in. 0.010 in. 0.020 in.
Fuel Regular gasoline — all versions
Air Filter Dry type, AM31400 — all versions
Fuel Filter In-line strainer — all versions

Ignition

Specification 110 (Kohler) 112 (Tecumseh) 112 (Kohler)
Ignition Type Magneto Solid state Battery-coil
Spark Plug Gap 0.025 in. 0.030 in. 0.020 in.
Breaker Point Gap 0.020 in. Not required 0.020 in.
Trigger Air Gap Not required 0.006–0.010 in. Not required

Capacities & Lubricants

Specification 110 (Kohler) 112 (Tecumseh) 112 (Kohler)
Fuel Tank 1.75 U.S. gal. — all versions
Crankcase 2-1/2 U.S. pt. 2-1/2 U.S. pt. 3 U.S. pt.
Transmission 3-1/2 U.S. pt. — all versions
Hydraulic System (H models) 2-1/2 U.S. pt. 2-1/2 U.S. pt. 2 U.S. pt.
Use Lubricant
Crankcase — Summer SAE 30, John Deere AM30730
Crankcase — Winter SAE 5W-20, John Deere AM30710
Transmission John Deere AM30200M
Hydraulic System Automatic Transmission Fluid, Type A

Transmission & Travel Speeds

Type Transaxle, 4 forward and 1 reverse
Clutch V-belt

Travel speeds at 3600 engine rpm, given in the manual as a range for each gear.

Gear Speed (mph)
1st 0.4 – 1.0
2nd 1.3 – 2.9
3rd 2.4 – 5.0
4th 3.4 – 7.4
Reverse 1.8 – 3.3

Electrical, Brakes & Steering

Battery John Deere AM30094, 12-volt, 24 amp-hour
Starter Switch Ignition key and solenoid
Brakes Double-acting, pedal-operated
Parking Brake Hand lock to foot brake
Steering Enclosed gear
Wheel Bearings Front: tapered roller
Rear: sealed ball

Curb Weights

With GT-3 tires.

Specification 110 (Kohler) 112 (Tecumseh) 112 (Kohler)
Manual Lift 613 lbs. 624 lbs. 640 lbs.
Hydraulic Lift 628 lbs. 636 lbs. 660 lbs.

Tires, Tread & Dimensions

The GT-1 tire option applies to the 110 only; the GT-3, GT-4 and GT-5 options apply to both the 110 and 112.

Specification GT-1 All Purpose (110 only) GT-3 High-Flotation GT-4 Traction GT-5 High-Flotation
Tires
Front Tire 4.80/4.00-8, 2-ply 16x6.50-8, 2-ply 4.80/4.00-8, 4-ply 16x6.50-8, 2-ply
Rear Tire 6-12, 2-ply 23x8.50-12, 2-ply 23x8.50-12, 2-ply 23x10.50-12, 2-ply
Inflation — Front2 12 psi 6–16 psi 12–40 psi 6–16 psi
Inflation — Rear2 6 psi 5–10 psi 5–10 psi 5–10 psi
Tread
Tread — Front 29 in. 30 in. 29 in. 30 in.
Tread — Rear 27 or 33 in. 27 or 33 in. 27 or 33 in. 28-1/2 or 31 in.
Dimensions
Wheelbase 46 in. — all tire options
Length 66-3/4 in. — all tire options
Height 41 in. — all tire options
Width — Minimum 34-1/2 in. 37 in. 35 in. 39 in.
Width — Maximum 39 in. 41-1/2 in. 41-1/2 in. 41-1/2 in.
Turning Radius (outside) 36 in. 34 in. 34 in. 33 in.

GT-6 tire specifications are the same as GT-3 front and GT-4 rear.

Notes:
1 Horsepower is the engine manufacturer's rating, established under the standard Internal Combustion Engine Institute procedure, corrected to 60°F and 29.9 in. Hg, on laboratory test engines with standard air cleaner and muffler.
2 The manual notes that tire inflation varies with the attachment used.
All specifications transcribed from the specifications section of the John Deere 110 and 112 operator's manual, OM-M44260 Issue B9 (Serial No. 130,001– ), originally published by John Deere. John Deere reserved the right to change specifications without notice; verify against your tractor's serial number before ordering parts or setting clearances.

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Manual code: OM-M44260

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