2012 John Deere D120

- Stock Number:

Hicksville , NY

The D120 combines dependability, durability and power in every aspect of its construction, including a Briggs & Stratton engine, a fully welded steel frame, and a cast-iron front axle.

Operating the mower is a breeze, too, with an ergonomic operator station, quality headlights, and an infinite choice of ground speeds.

Easy to own. Easy to operate. Easy to maintain. The D120 Lawn Tractor.


Speed range: (forward / reverse) 0-5.5 mph / 0-3.2 mph
Transmission (Control) Two-pedal foot controlled hydro
Charging System 9 amp regulated
Cylinders One
Displacement 33 cu in. (540 cc)
Engine Manufacturer Briggs & Stratton
Fuel (Tank Location) Rear
Fuel Capacity 4 U.S. gallon (2.4 U.S. gallon for California model)
Fuel Gauge Mechanical, viewable from seat
Power Level 21 hp (15.7 kW)
Speed Controller One lever
Type of Engine Overhead valve, full-pressure lube, oil filter
Frame Full-length welded steel
Front Axle Cast iron
Hood Material JD Loy
Primer/Paint E-coat/powder
Tires Front 15x6-6
Tires Rear 20x8-8
Turning Radius 18 in.
Uncut Circle Radius 25 in. (42-in. mower)
Height 46-in. (117 cm)
Overall Length 69.9 in. (177.5 cm)
Overall Width (Includ. Discharge Chute) 52 in. (132 cm)
Seat Height (Back) 15 in.
Weight 452 lb (205 kg)
Wheelbase 48.9-in. (122.7 cm)
General Information
Backup Protection Reverse Implement Option (RIO)
Mower (Level Adjustment) Easy-Level deck
(Attachability: Front/Rear Draft Arms) Spring pin / Spring pins
Mower Cutting Height 1-4 in., 13 positions; 0.25 in. increments
Mower Cutting Width 42 in.
Mower Deck Material .105 in. (12 ga)
Mower Drive System Manual PTO
Safety Systems Meets ANSI Standard; Safety Video
Seat (Fore-aft Adjustment) 5 1/2 in. while seated
Standard Floor Mats; CargO Mount System; Storage Pocket w/cover; Hourmeter; Service Interval Decal; Cupholder; Mower Wash Port
Warranty 2 year



  • CargO Mount™ system makes installation of rear bagger and other attachments easy
  • Cast-iron front axle will not bend
  • Frame made of full-length welded steel for reliability
  • Fuel tank has gauge to show fuel level from the operator seat
  • Hood will not dent or rust and includes quality headlights for good visibility
  • Hydro/automatic drive gives an infinite choice of ground speeds
  • Operator station designed for comfortable operation
  • Powerful engine features full-pressure lubrication for dependability and long life
  • Reverse Implement Option (RIO) allows operator to mow while backing up if deemed necessary
  • The Edge™ Cutting System gives superior performance

Product Media

2012 John Deere D120