Compare/John Deere 6100B vs John Deere 6420L

John Deere 6100B vs John Deere 6420L

Verdict: John Deere 6100B vs John Deere 6420L

The John Deere 6100B and the John Deere 6420L are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 90 hp. John Deere 6100B is the lighter machine (3,700 kg vs 3,740 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6100B is the newer design (2010 vs 2002). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

90 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 18.4-34 rear tires.Reference

Four gears (1-4) in six ranges (A-F) with reverser lever. Push-button power shifting between gears (1-4) and power shuttle directional shifting using the reverser lever. Ranges (A-F) may be shifted on the move by using the clutch.Reference

Original price

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$44,500 (2007)Reference

Drive

—

4x4 MFWD 4WD (optional)Reference

Steering

—

hydrostatic powerReference

Engine

79.0 kWReference

82.0 kWReference

Displacement

4.5 LReference

Bore/Stroke

106 x 127 mmReference

Power

79.0 kWReference

82.0 kWReference

Fuel system

direct injectionReference

—

Air cleaner

dual dry elementReference

dryReference

Compression

17:1Reference

—

Rated RPM

21000Reference

2300Reference

Firing order

1-3-4-2Reference

Starter

electricReference

—

Starter volts

12Reference

Starter power

4.2 kWReference

3.0 kWReference

Coolant capacity

13.5 LReference

13.6 LReference

Oil capacity

12.5 LReference

50.0 LReference

Oil change

250 hReference

500 hReference

Emissions

—

Tier IIReference

Idle RPM

—

845-2465Reference

Operating RPM

—

1000-2300Reference

Torque

—

469.2 NmReference

Torque RPM

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1500Reference

Intake valve clearance

—

0.356 mmReference

Exhaust valve clearance

—

0.457 mmReference

Transmission

Gears

9 forward and 3 reverseReference

24 forward and reverseReference

Clutch

304.8mm dry discReference

wet discReference

Oil type

63.4Reference

JD Hy-GardReference

Transmission

—

John Deere PowrQuad PlusReference

PTO & Hydraulics

PTO (claimed)

67.1 kWReference

Hydraulic system

60.0 LReference

50.0 LReference

Type

unsynchronized gearReference

partial power shiftReference

Capacity

60.0 LReference

50.0 LReference

Valves

0 to 3Reference

—

Pump flow

48.1 lpmReference

94.6 lpmReference

Steering flow

26.9 lpmReference

—

Rear Type

IIReference

Rear lift (at ends)

2400 kgReference

—

Rear lift (at 24"/610mm)

2190 kgReference

—

Rear Arms

fixed link endsReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

540/1000 (optional)Reference

Engine RPM

1000@2100Reference

—

Pressure

—

200.0 barReference

Capacities

Fuel

149.9 LReference

116.2 LReference

Dimensions

Wheelbase

231 cmReference

—

Weight

3700 kgReference

3740 kgReference

Front tire

12.4x24Reference

27/9.5-15Reference

Rear tire

16.9x34Reference

18.4-26 (2WD)Reference

Ag front

13.6x24Reference

—

Ag rear

18.4x34Reference

—

Length

442 cmReference

—

Width

165 cmReference

—

Height (exhaust)

286 cmReference

—

Shipping weight

3700 kgReference

3740 kgReference

Clearance (front axle)

43 cmReference

—

Clearance (rear axle)

67 cmReference

—

Clearance (drawbar)

46 cmReference

—

Front tread

152 to 202 cmReference

139 to 173 cmReference

Rear tread

151 to 201 cmReference

—

Standard tires (ag)

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Front: 10.5/80-18. Rear: 18.4-26 (4WD)Reference

6100B Serial Numbers

Location:

Right side of tractor frame above the front axle.Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

75Reference

—

Battery CCA

925Reference

—

Battery volts

12Reference

Charging volts

—

14Reference

Speeds

Variants

6420

—

utility chassisReference

6420L

—

low-profile chassisReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.