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John Deere 112 Maintenance
The
John Deere 112 is a garden tractor from 100-series. This model was manufactured
between 1966 and 1974.
The JD 112 driveline consists of a 4x1 Peerless 2300 gear
transmission with variable pulley drive and one of three engine models:
a 23.7 cu.in (388 cc) Tecumseh HH100 1-cylinder horizontal-shaft
air-cooled gasoline engine with a max power of 10 hp (7.5 kW), a
23.9 cu.in (391 cc) Kohler K241S 1-cylinder air-cooled gasoline engine
with a max power of 10 hp (7.5 kW), or 29.1 cu.in (476 cc) Kohler K301S
1-cylinder air-cooled gasoline engine with a rated power of 12 hp (9
kW).
Max. forward speed - 7.1 mph (11.4 km/h), maximum reverse speed -
3.1 mph (5 km/h). The tractor was equipped with 16x6.50-8 front tires
and 8.00x12 rear tires. The wheelbase is 44 in (1110 mm). Compatible
attachments for the John Deere 112 garden tractor: 38", 46" mid-mount
3-blade right-discharge mower decks with cutting height of 1-4" (25-101
mm), 42" front-mount blade, 42" center-mount blade with manual lifting
system, 36" front-mount snow blower.
| Engine oil capacity (Tecumseh), qts (L) |
1.6 (1.5) |
| Engine oil capacity (Kohler), qts (L) |
2.0 (1.9) |
| Transmission fluid capacity, qts (L) |
1.5 (1.4) |
| Fuel tank capacity, gal (L) |
1.9 (7.2) |
| Recommended Oil and Fluid |
| Engine oil type |
SAE 30, SAE 10W-30, 5W-20. API Service category MS |
| Transmission fluid type |
SAE 80W-90 Gear Oil |
| Check fuel level |
Every 10 hours |
| Check engine oil level |
Every 10 hours |
| Clean air intake screen |
Every 10 hours |
| Lubricate wheel spindles |
Every 10 hours |
| Check tire pressure and brakes |
Every 25 hours |
| Clean air filter element |
Every 25 hours |
| Check transmission fluid |
Every 25 hours |
| Check and clean battery terminals |
Every 25 hours |
| Change engine oil |
Every 25 hours |
| Check and adjust mower drive belt |
Every 25 hours |
| Clean spark plug |
Every 50 hours |
| Sharpen or replace mower blades |
Every 50 hours |
| Clean mower deck |
Every 50 hours |
| Lubricate mower pivot points |
Every 50 hours |
| Charge battery |
Every 100 hours |
| Replace air filter element |
Every 100 hours |
| Check engine idle speeds |
Every 100 hours |
| Check carburetor adjustment |
Every 100 hours |
| Clean fuel strainer |
Every 200 hours |
| Replace spark plug |
Every 200 hours |
| Change transmission fluid |
Every 200 hours |
| Check and adjust valve clearance |
Every 200 hours |
| Engine fuel filter part number |
AM30069 |
| Engine air filter part number |
AM31400 |
| Spark plug part number |
AM514T, AP19170 |
| Mower blade part number (38" Deck) |
AM30698, M41237 |
| Mower blade part number (46" Deck) |
AM31100, M41967 |
| Traction drive belt part number |
M82258, M44121 |
| Mower drive belt part number |
M47765, M47043, M47043 |
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| Lawn and Garden Tractors Technical Specs |
