2018 JOHN DEERE E120 at www.pedersenmachine.com2018 JOHN DEERE E120 at www.pedersenmachine.com

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• 20 HP V-twin smooth running engine
• Deep deck design helps lift grass for a superior cut
• Redesigned deck lift lever raises and lowers deck easily
• Operator station is wide and comfortable
• Easy Change™ 30-Second Oil Change System for fast and simple service

John Deere Easy Change™ 30-second oil change system
The John Deere Easy Change 30-second oil change system makes changing the engine oil easy, quick, and clean. Changing the oil is as easy as twisting on a new oil-filled filter. Oil does not need to be drained from the engine. The removed filter contains the captured contaminants and oil

The Edge™ cutting system gives superior performance

The Edge cutting system has been trademarked to emphasize the advantages of the John Deere mower deck designs. They give the mower superior convenience, performance, and reliability.

The 42-in. (107-cm) two-spindle, three-in-one mower is constructed of 13-gauge, 0.090-in. (2.3-mm) steel for long life:
• The mower deck has a rolled lip to provide greater strength and protection
• The deep-deck mower design lifts grass for a clean, even cut
• The smooth underside of the mower prevents grass buildup and evenly disperses grass clippings
• The rolled outer edge of the deck provides extra strength and protection
• Dual-stage E-coat and powder paint coatings provide extra protection from rust
• No tools are required to go from mulching to side discharge to rear bagging
• The blade-to-spindle design provides a unique mounting system for the mower blade that provides extra safety and convenience
• A mulch cover is an optional attachment that can be installed without tools to allow mulching with the standard mower blades

Instruments and controls are easy to find and convenient to use

The contoured dash has clean, attractive styling:
• Controls are color-coded and labeled for easy identification by the operator
• Controls are logically placed and easy to reach
• The hourmeter makes it easy to tell when oil changes and other maintenance should be performed
◦ The service reminder feature will indicate that a general lubrication or mower/engine service interval has been reached
◦ When service is required, arrows will periodically flash for two hours

Powerful V-twin engine features full-pressure lubrication for dependability and long life

A 20-hp (14.9-kW), V-twin engine has plenty of power and torque to handle tough mowing, mulching, and bagging conditions:
• V-twin cylinder design for greater torque and lower vibration
• Spring-return feature to ensure the operator will not mistakenly leave the throttle lever in the choke position
• Cast-iron cylinder liner for long engine life
• Overhead valves for excellent power and fuel economy
• Full-pressure lubrication and oil filter for cleaner oil, prolonging engine life, and extending the time between oil changes
◦ More effective when operating the tractor on an incline

Cast-iron front axle will not bend

The front axle is constructed of solid cast iron that will not bend
• Automotive-like steering system with sector and pinion steering gears and single drag link with a tie rod provides a very strong, low-effort, and tight-turning system
• Three grease fittings, on both steering spindles and center pivot, allow for regular lubrication to help maintain easy steering and minimize wear
• Large, 0.75-in. (1.9-cm) diameter wheel spindles provide excellent durability

Hydrostatic transmission gives an infinite choice of ground speeds

A Kanzaki® Tuff Torq® hydrostatic transmission gives an infinite choice of speeds and makes changing the direction of travel easy. Side-by-side foot pedals control the speed and direction of travel:
• Automotive-type accelerator controls ensure easy operation
• Operator can change direction without lifting foot off the platform
• Large pedal surface gives superior

Serviceability is convenient with an easy-open hood

The one-piece hood opens easily to permit checking and servicing the engine
• Important service points are located within easy reach
• A service interval decal is provided inside the tractor hood for convenience when servicing the tractor
• Hourmeter includes a service reminder feature that flashes for two hours when a lubrication or mower/engine service interval has been reached

Frame made of full-length welded steel for reliability

The solid one-piece frame is constructed of 12-gauge, 0.105-in. (2.66-mm) steel:
• Full-length, robotically-welded frame design has high-strength steel rails for added strength and long life
• One-piece, steel fender deck is bolted to the frame.

Operator station designed for comfortable operation

The operator station is designed for operator comfort and easy operation:
• Controls are positioned where they are easy to reach and easy to use to control the tractor
• Steering wheel is positioned and angled to give the operator plenty of room and steering comfort
• Seat is tilted back at the optimum angle to provide the most comfortable operator position


Power (hp/kW)
20 / 14.9
Displacement (cu. in/cc)
40 / 656
Manufacturer / model
40N877 (M40)
Overhead valve, full-pressure lube, oil filter
Choke/speed control
One lever, ReadyStart®
Cooling method
Air cleaner
Oil drain
No tools

Fuel system

Fuel delivery
Pulse pump and carburetor
Fuel gauge
Mechanical, viewable from seat
Fuel tank location
Fuel fill opening (in/cm)
Center - 1.75 / 4.45
Fuel tank capacity (US gal/L)
2.4 / 9.1

Electrical system

Battery (V/CCA)
12 / 300
Charging system
Regulated, 9 amp
Engine starter
Bendix type
Yes, with service reminder
Two standard, incandescent
Taillights or reflector
Backup lights
Rear work lights
12-V outlet


Hydrostatic, 2-wheel drive
Two-pedal foot-controlled hydrostatic
Cruise control
Oil cooler
Fins and fan on transaxle
Oil filter
Yes, not serviceable
Differential lock
Forward speed (mph/ km/h)
0-5.5 / 0-8.9
Reverse speed (mph / km/h)
0-3.2 / 0-5.1
Internal wet disk


Full-length welded steel
E-coat / powder
Weight bracket
Optional rear
Receiver hitch
Front axle
Cast-iron front axle, powdered-metal front wheel bushings
Spindle bushings
Front tires
Rear tires
Hood material
JD Loy, UV resistant
Fender deck material
Stamped steel
Floor mats
Yes, with debris removing channels
Storage tray with cover
Service interval decal
Fender handles/grips
Cup holder
Equipment mounting
CargO Mount™ system


Sector and pinion with single drag link and tie rod
All-wheel steer
Not available on this model
Steering wheel (in/cm)
Standard, diameter - 12 / 30.5
Tilt steering wheel
Turning radius (in/cm)
18 / 45.7
Uncut circle radius (in/cm)
25 / 63.5


One piece
Seat back height (in/cm)
15 / 38.1
Fore-aft adjustment (in/cm)
While seated, 5.5 / 14
Seat suspension
Tilt, two coil springs

Lift system

Lever on fender deck
Hydraulic outlets
Mower cut height (in/cm)
13 positions, 1-4 / 2.5-10.2
Cut height increments (in/cm)
0.25 / 0.64
Preset cut height

Mower deck

Side discharge
Cutting width (in/cm)
42 / 107
Stamped steel deck shell
Mower deck material (in/mm)
Steel, 13 gauge - 0.09 / 2.3
Mower wash port
Mower drive system
Manual power take-off (PTO)
Mower wheels
Mower wheel adjustment
One bolt
Mower level adjustment
Easy-level deck

Mower attachability

Slide under tractor
Front draft arms
One spring clip
Rear draft arms
Two spring clips
Mower wheels rotate
Drive system
Single belt


Meets ANSI standard
Meets OPEI standard
Backup protection
Reverse Implement Option (RIO)
Safety video


Height (in/cm)
44.5 / 113
Overall length (in/cm)
68.8 / 174.8
Wheelbase (in/cm)
48.8 / 124.2
Width with mower (in/cm)
54.9 / 139
Width with mower (deflector raised for storage) (in/cm)
44.8 / 114
Weight (lb/kg)
Mower, no fuel - 420 / 191