Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 6120M FT4 Tractor Specs

John Deere 6120M Engine Specifications

Engine Make - John Deere
Engine Model - PowerTech PSS 4.5L
Number of Cylinders - 4
Advertised Engine Power, Rated, hp (kW) - 120 (88)
Rated Engine Speed, rpm - 2100
Fuel Tank capacity, gal (L) - 55.4 (210)
Diesel Exhaust Fluid (DEF) tank capacity, gal (L) - 3.4 (13)
Displacement, cu in (L) - 276 (4.5)
Engine Bore, in (mm) - 4.17 (106)
Engine Stroke, in (mm) - 5.0 (127)
Block Design, Replaceable Liners - Wet liners
Aspiration, Turbocharged or Naturally Aspirated - Dual Series turbochargers, air-to-air aftercooled
Fuel System Description - High Pressure Common Rail
Fuel System Control, Electronic or Mechanical - Electronic
Fuel Injection to combustion chamber - Direct
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 Rating, Volts - 12
Alternator Rating, Amps - 120 std; 200 opt.

Power Take Off

PTO Horsepower, Basic / Optional Transmission, hp (kW) - 95 (71)
PTO Speeds, rpm - 540 / 1000
PTO operational Type (Independent; Live; Continuous) - Independent

John Deere 6120 M Basic Transmission Configuration

Manufacturer's Description - PowrQuad PLUS 24F/24R (25 mph/40 kph)
Transmission Type - Powershift within ranges
Number of Forward / Reverse Speeds - 24F / 24R
Maximum Speed Forward, mph (kph) - 25 (40)
Creeper Range Available - Optional
Shuttle (Forward-Reverse) Available - Standard

Optional Transmission 1

Manufacturer's Description - PowrQuad PLUS 16F/16R (19 mph/30 kph)
Transmission Type - Powershift within ranges
Number of Forward / Reverse Speeds - 16F / 16R

Optional Transmission 2

Manufacturer's Description - AutoQuad PLUS 24F/24R (25 mph/40kph)
Transmission Type - Automatic shift within ranges
Number of Forward / Reverse Speeds - 24F / 24R

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 std; bar opt.
Axle Bar Diameter, in (mm) - 3.13 (79.45)

Front Axle

Suspended Front Axle Available - No

Brakes

Service Brake Type - Wet disc

John Deere 6120M Tractor Hydraulic System

Hydraulic System Type - Open center std; Closed center opt
Main Hydraulic Pump Type - Gear std; Axial piston opt.
Implement Pump Flow, gpm (Lpm) - 21.1 (80)
Optional Pump Flow, gpm (Lpm) - 30.1 (114) Pressure-Flow Compensated
Number of Standard Remote Valves - 1 std; 2nd and 3rd opt.

3-Point Hitch Features

3-Point Hitch Category - Category 2
Optional Hitch Category - Category 3 / 3N
Draft Sensing or Lift Control - Draft control opt
Draft Link Ends Telescopic - Standard
Standard Lift Capacity 24 Inches behind pin, lb (kg) - 5,154 (2338)
Optional Lift Capacity 24 Inches behind pin, lb (kg) - 6,247 (2834)

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)

John Deere 6120 M Dimensions

Length, 2WD, incl. Hitch/Drawbar, in (mm) - 176.6 (4485)
Length, MFD/4WD or track, incl. Hitch/Drawbar, in (mm) - 176.6 (4485)
Height to Top of Cab, in (mm) - 111 (2822)
Height to Top of ROPS raised, in (mm) - 113 (2871)
Overall Width, with standard wheels or tracks, in (mm) - 100.6 (2555) bar axle ends

Weight (w/Tires)

Weight, MFD/4WD or Tracks w/Cab, without ballast, lb (kg) - 11,486 (5210)
Weight, Total allowable, w/maximum ballast, lb (kg) - 19,180 (8700)

Tire Size

Front Tire Size, 2WD - 10.00-16, 10PR F2
Front Tire Size orTrack Width, MFD/4WD or Track - 14.9 R24 (380/85 R24) R1W
Rear Tire Size or Track Width - 18.4 R34 (460/85 R34) R1W

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