John Deere lawn tractors

John Deere D120

The John Deere D120 is a lawn tractor produced from 2011 to 2012 as part of the D100 Series. It features a 21 hp Briggs & Stratton 540cc 1-cylinder gasoline engine, hydrostatic transmission, and two-wheel drive. The tractor includes an open operator station with an adjustable seat and optional canopy or snow enclosure. It has a 42-inch mid-mount mower deck and supports attachments such as a snowblower and blade. The D120 was built in Greeneville, Tennessee, USA, and originally sold for $1,799 in 2011.
Power12 hp
Founded38/46" deck
ModelD120

Technical Specifications

Detailed specifications and technical data for John Deere D120

Engine
Typegasoline
ModelBriggs & Stratton 33
Coolingair-cooled vertical-shaft
Starterelectric
Cylinders1-cylinder
Fuel tank4 gal (15.1 L)
Point gap0.012 inches (0.305 mm)
Air cleanercartridge
Bore/Stroke3.70x3.06 inches (94 x 78 mm)
Displacement540 cc (33 ci)
Oil capacity1.5 qts (1.4 L)
Power (gross)21 hp (15.7 kW)
Sparkplug gap0.030 inches (0.762 mm)
Starter volts12
Intake valve clearance0.004 inches (0.102 mm)
Exhaust valve clearance0.006 inches (0.152 mm)
Fuel tank (California model)2.4 gal (9.1 L)
Features
DriveTwo-wheel drive
BrakesMechanical shoe on transaxle brakes
SteeringManual steering
Operator stationOpen 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.
Dimensions
Height44.5 inches (113 cm)
Length68.75 inches (174 cm)
Weight450 lbs (204 kg)
Rear tire20x8.0-8
Wheelbase48.9 inches (124 cm)
Front tire15x6.00-6
Electrical
Groundnegative
Battery GroupU1
Battery volts12
Charging amps9
Charging systemalternator
Production
TypeLawn tractor
SeriesD100 Series
Built inGreeneville, Tennessee, USA
Original price$1,799 in 2011
Years produced2011 - 2012
References
Operator's Manual D100 Series (OMGX24147)published in 2011
Operator's Manual D100 Series (OMGX24230)published in 2012
Attachments
Overview42" mid-mount mower deck, snowblower, blade
46" BladeJohn Deere 46, front-mount, 46 inches width (116 cm), 6.5 inches lift (16 cm), manual-lift, manual-angle
42" Mower deckmid-mount John Deere Edge 42, 2-blade with manual with spring-assist lift, Cutting width 42 inches (106 cm), Overall width 52 inches (132 cm), Cut height 1 to 4 inch (2 to 10 cm), Cut positions 13
43.25" Snow blowerJohn Deere 44, 43.25 inches width (109 cm), dual-stage, Total width 44 inches (111 cm), Clear height 18 inches (45 cm), front-mount, 180 lbs (81 kg)
Transmission
Typebelt-driven hydrostatic
Gearsinfinite forward and reverse
ModelTuff Torq T40
Oil changesealed unit, owner service is not recommended
DescriptionAutomatic transmission with right-side accelerator and decelerator/reverse foot pedals. Left-side brake pedal. Cruise control is standard equipment.
Serial Numbers
LocationSerial number on rear of tractor, left side, under fender.
Power Take-off (PTO)
TypeMid PTO
Operationmanual independent