Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 6120R Tractor Specs

Engine Performance

Advertised Engine Power, Rated, hp (kW) - 120 (88.2)
Maximum Engine Power, hp (kW) - 140 (103)
Rated Engine Speed, rpm - 2100
Power Boost, hp (kW) - 20 (15)
Fuel Tank capacity, gal (L) - 55.5 (210)
Diesel Exhaust Fluid (DEF) tank capacity, gal (L) - 3.4 (13)

John Deere 6120R Engine Specifications

Engine Make - John Deere
Engine Model - PowerTech PSS 4.5L
Number of Cylinders - 4
Displacement, cu in (L) - 276 (4.5)
Engine Bore, in (mm) - 4.19 (106.5)
Engine Stroke, in (mm) - 5.0 (127)
Block Design, Replaceable Liners - Wet replaceable
Aspiration, Turbocharged or Naturally Aspirated - Dual Series turbochargers, air-to-air aftercooled

Fuel System

Fuel System Description - High Pressure Common Rail
Fuel System Control, Electronic or Mechanical - Electronic
Fuel Injection to combustion chamber - Direct

Emission and Exhaust Treatment

Emission Level, US EPA Tier - Tier 4 Final
Selective Catalytic Reduction (SCR) w/Diesel Exhaust Fluid (DEF) - SCR with DEF
Exhaust Gas Recirculation (EGR) - Cooled EGR
Cleanup Catalyst (CUC) - Ammonia Oxidation Catalyst
Diesel Oxidation Catalyst (DOC) - DOC standard
Diesel Particulate Filter (DPF) - DPF standard
Exhaust Pipe, Vertical stack or Horizontal - Vertical stack

Cooling System

Fan Drive Type - Viscous

Electrical System

System Rating, Volts - 12
Alternator Rating, Amps - 200 standard; 240 optional

John Deere 6120 R Tractor Basic Transmission

Manufacturer's Description - AutoQuad PLUS ECO 24F/24R
Transmission Type - Semi-automatic, power shift
Number of Forward / Reverse Speeds - 24F / 24R
Maximum Speed Forward, mph (kph) - 25 or 31 (40 or 50)
Creeper Range Available - No
Shuttle (Forward-Reverse) Available - Standard

Optional Transmission 1

Manufacturer's Description - AutoPowr (IVT) 25 or 31 mph (40 or 50 kph)
Transmission Type - Infinitely Variable
Number of Forward / Reverse Speeds - Infinite

Optional Transmission 2

Manufacturer's Description - PowrQuad PLUS 16F/16R (19 mph/30kph)
Transmission Type - Semi-automatic, power shift
Number of Forward / Reverse Speeds - 16F / 16R

JD 6120R Tractor PTO

PTO Horsepower, Basic / Optional Transmission, hp (kW) - 94 (70)
Power Take Off Speeds, rpm - 540 / 540E / 1000
PTO operational Type - Independent

Wheels Configuration

Drive Wheels - 2WD / 4WD
Steering Configuration - Front Steer

Rear Axle Assembly

Final Drive Location and Description - Inboard Planetary
Axle Output End, Flange or Bar - Flange standard; Bar optional
Axle Bar Diameter, in (mm) - 3.1 (79)

Front Axle

Suspended Front Axle Available - Triple-Link Suspension optional

Brakes

Service Brake Type - Wet disk

John Deere 6120 R Hydraulic System

Hydraulic System Type - Closed-center, Pressure-Flow Compensated (PFC)
Main Hydraulic Pump Type - Axial piston
Implement Pump Flow, gpm (Lpm) - 30 (114)
Optional Pump Flow, gpm (Lpm) - No option
Number of Standard Remote Valves - 2 std; 3, 4 or 5 opt

3-Point Hitch Features

3-Point Hitch Category - Category 3N / 2
Optional Hitch Category - No option
Draft Sensing or Lift Control - Draft sensing, lower link
Draft Link Ends Telescopic - Yes

JD 6120R Tractor 3-Point Hitch Lift Capacity

Standard Lift Capacity 24 Inches behind pin, lb (kg) - 5,582 (2532)
Optional Lift Capacity 24 Inches behind pin, lb (kg) - 7,432 (3371)
Standard Lift Capacity at lift pin, lb (kg) - 8,410 (3815)

Drawbar

Drawbar Description - Category 2, swinging, adjustable

Wheelbase

Wheelbase, 2WD, in (mm) - 101.6 (2580)
Wheelbase, MFD/4WD or Track, in (mm) - 101.6 (2580)

Length

Length, 2WD, incl. Hitch/Drawbar, in (mm) - 178.5 (4533)
Length, MFD/4WD or track, incl. Hitch/Drawbar, in (mm) - 178.5 (4533)

John Deere 6120R Vertical Dimensions

Height to Top of Cab, in (mm) - 105.7 to 115.6 (2686 to 2936)
Height to Top of ROPS raised, in (mm) - No open ROPS

Width w/Tires

Overall Width, with standard wheels or tracks, in (mm) - 100.6 (2555) to bar axle ends

Weight (w/Tires)

Weight, MFD/4WD or Tracks w/Cab, without ballast, lb (kg) - 13,007 (5900)
Weight, Total allowable, w/maximum ballast, lb (kg) - 21,940 (9950)

Tire Size

Front Tire Size, 2WD - 11L-15, 8 ply, F3
Front Tire Size Width, MFD/4WD or Track - 12.4 R24 (320/85 R24) R1W
Rear Tire Size Width - 16.9 R30 (420/85 R30) R1W

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