Specifications, Service and Repair of Farm and Lawn Tractors


John Deere 6105M Tractor Specs

Engine Performance

Advertised Engine Power, Rated, hp (kW) - 105 (78)
Maximum Engine Power, hp (kW) - 109 (81)
Rated Engine Speed, rpm - 2100
Power Boost, hp (kW) - 4 (3)
Fuel Tank capacity, gal (L) - 58 (220)
Diesel Exhaust Fluid (DEF) tank capacity, gal (L) - No DEF

John Deere 6105 M Tractor PTO Performance

PTO Horsepower, Basic / Optional Transmission, hp (kW) - 86 (64)
PTO Speeds, rpm - 540 / 1000
PTO operational Type (Independent; Live; Continuous) - Independent

John Deere 6105M Basic Engine Specification

Engine Make - John Deere
Engine Model - PowerTech PVX 4.5L
Number of Cylinders - 4
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 - VGT Turbo, Air-to-Air Intercooled

Fuel System

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

Emission and Exhaust Treatment

Emission Level, US EPA Tier - Tier 4 Interim
Exhaust Gas Recirculation (EGR) - Cooled EGR
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 - 14
Alternator Rating, Amps - 90 std; 200 opt.

John Deere 6105M 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

JD 6105M Tractor 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

Wheel or Track Configuration

Drive Wheels or Tracks; 2WD, 4WD, 2WD / 4WD, 2 Tracks or 4 Tracks - 2WD / 4WD
Steering Configuration: Front Steer, Frame Articulated, or Track-type Steer - Front Steering

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


Service Brake Type - Wet disc

John Deere 6105M 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.

JD 6105M 3-Point Hitch Features

3-Point Hitch Category - Category 2 / 3N
Optional Hitch Category - No option
Draft Sensing or Lift Control - Draft control opt
Draft Link Ends Telescopic - Standard

3-Point Hitch Lift Capacity

Standard Lift Capacity 24 Inches behind pin, lb (kg) - 4,488 (2035)
Optional Lift Capacity 24 Inches behind pin, lb (kg) - 5,864 (2660)
Standard Lift Capacity at lift pin, lb (kg) - 9,480 (4300)
Optional Lift Capacity at lift pin, lb (kg) - 12,346 (5600)


Drawbar Description - Swinging, Adjustable length, Category 2

Wheelbase / Trackbase

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


Length, 2WD, incl. Hitch/Drawbar, in (mm) - 176.6 (4485)
Length, MFD/4WD or track, incl. Hitch/Drawbar, in (mm) - 176.6 (4485)

John Deere 6105 Tractor Vertical Dimensions

Height to Top of Cab, in (mm) - 111 (2822)
Height to Top of ROPS raised, in (mm) - 113 (2871)

Width w/Tires or Tracks

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

Weight (w/Tires or Tracks)

Weight, MFD/4WD or Tracks w/Cab, without ballast, lb (kg) - 11,486 (5210)
Weight, Total allowable, w/maximum ballast, lb (kg) - 18,078 (8200)

Tire / Track 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

JD 6105 Tractor Hydraulic System Troubleshooting

Problem: Hydraulic system fails to function

Not enough oil in the system - Correct the oil level.
Open electrical circuit - Check fuses.

Problem: Filter plugged/by-passed warning is active

Plugged filter - Replace filter.

Problem: Hydraulic oil overheats

Cooling system overloaded - Dirty oil cooler. Coolant level low.
Selective control valve accidentally locked in operating position - Move selective control valve to neutral position.

Problem: Hitch fails to lift load

Excessive load on hitch - Reduce load.

Problem: Hitch lifts slowly

Raise rate too slow - Adjust raise rate.

Problem: Hitch rate-of-drop too slow

Rate-of-drop not adjusted properly - Adjust rate-of-drop.

Problem: Insufficient sensitivity to load control

System regulator in depth control or mixed control position - Move system regulator to load control position.

Problem: Excessive sensitivity when attaching implements

System regulator in load control position - Place system regulator in depth control position.

Problem: Selective control valves not operating

Hoses not connected properly - Connect hoses properly.

Problem: Remote control cylinder operates too fast or too slow

Incorrect setting for rate-of-flow - With mechanical SCVs, adjust the flow control valve.