Introduction
John Deere D120 Lawn Tractor
The John Deere D120 is a lawn tractor manufactured in Greeneville, Tennessee, USA, between 2011 and 2012. Designed for residential lawn maintenance, this two-wheel-drive machine features a 42-inch mower deck and is powered by a gasoline engine.
Engine Specifications
The tractor is equipped with an air-cooled, vertical-shaft Briggs & Stratton 33 engine. This single-cylinder, 540 cc (33 ci) gasoline engine provides a gross power output of 21 hp (15.7 kW). It utilizes a cartridge-type air cleaner and an electric starter system.
Transmission and Drivetrain
The D120 utilizes a Tuff Torq T40 belt-driven hydrostatic transmission, providing infinite forward and reverse speeds. Operation is managed through foot pedals for acceleration and deceleration on the right, and braking on the left. Cruise control is provided as standard equipment. The transmission is a sealed unit and does not require routine owner service.
Operator Station and Ergonomics
The operator station is of an open design, featuring an adjustable 15-inch tall seat with 5.5 inches of travel across ten positions. Storage includes a fender-mounted cup holder. Optional equipment for the operator station includes a nylon sunshade canopy or a snow enclosure.
Chassis and Dimensions
The tractor rides on 15x6.00-6 front turf tires and 20x8.0-8 rear turf tires. It has a wheelbase of 48.9 inches (124 cm) and a total weight of 450 lbs (204 kg). Braking is handled by mechanical shoe brakes located on the transaxle.
Conclusion
The John Deere D120 is a standard residential lawn tractor suited for homeowners requiring a reliable, easy-to-operate machine for general grass cutting and property maintenance tasks.
Production Information of John Deere, D120
- Original price was $1,799 in 2011
- Lawn tractor
- Built in Greeneville, Tennessee, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, D120
| Wheelbase | 48.9 inches [124 cm] |
|---|---|
| Weight | 450 lbs [204 kg] |
| Length | 68.75 inches [174 cm] |
| Height | 44.5 inches [113 cm] |
| Lawn/turf front | 15x6.00-6 |
|---|---|
| Lawn/turf rear | 20x8.0-8 |
Engine Specifications of John Deere, D120
- Briggs & Stratton 33
- Air-cooled vertical-shaft
- Gasoline
- 1-cylinder
| Exhaust valve clearance | 0.006 inches [0.152 mm] |
|---|---|
| Air cleaner | Cartridge |
| Starter | Electric |
| Oil capacity | 1.5 qts [1.4 L] |
| Starter volts | 12 |
| Displacement | 540 cc [33 ci] |
| Power (gross) | 21 hp [15.7 kW] |
| Bore/Stroke | 3.70x3.06 inches [94 x 78 mm] |
| Intake valve clearance | 0.004 inches [0.102 mm] |
| Point gap | 0.012 inches [0.305 mm] |
| Sparkplug gap | 0.030 inches [0.762 mm] |
Transmission Information of John Deere, D120
Transmission variants 1
- Automatic transmission with right-side accelerator and decelerator/reverse foot pedals. Left-side brake pedal. Cruise control is standard equipment.
| Transmission | Tuff Torq T40 |
|---|---|
| Oil change | Sealed unit, owner service is not recommended |
| Type | Belt-driven hydrostatic |
| Gears | Infinite forward and reverse |
Mechanical Specs of John Deere, D120
- Two-wheel drive
- Open operator station. Adjustable 15-inch tall seat with 5.5-inches of travel in ten positions. Fender-mounted cup holder. Optional nylon sunshade canopy or snow enclosure.
- Manual steering
- Mechanical shoe on transaxle brakes
Power Information of John Deere, D120
| Mid PTO | Manual independent |
|---|
Electrical System of John Deere, D120
| Ground | Negative |
|---|---|
| Battery Group | U1 |
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 9 |
Where it sits
With 21 HP, the John Deere D120 sits just above D125 (20 HP) in John Deere's range. Its power puts it in the 32th percentile of 2010s models in our database (783 machines).
Frequently asked questions
How much horsepower does the John Deere D120 have?
The John Deere D120 delivers 21 HP.
What years was the John Deere D120 produced?
The John Deere D120 was produced in 2011-2012.
What engine does the John Deere D120 have?
The John Deere D120 is powered by a Gasoline, 1-cylinder engine.
What transmission does the John Deere D120 use?
The John Deere D120 uses a Tuff Torq T40 transmission.
How much does the John Deere D120 weigh?
The John Deere D120 weighs 450 lbs [204 kg].
Is the John Deere D120 4WD?
The John Deere D120 is available in 2WD.