Compare/John Deere 20C vs John Deere 670

John Deere 20C vs John Deere 670

Verdict: John Deere 20C vs John Deere 670

The John Deere 20C and the John Deere 670 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 19 hp. John Deere 20C is the lighter machine (889 kg vs 1,730 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 20C is the newer design (2009 vs 1989). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

19 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

YanmarReference

Four gears in two ranges with reverser.Reference

With 9.5-16 rear tires.Reference

Distributor

—

John DeereReference

Original price

—

$13,550 (1997 4WD )Reference

Final drives

—

spur gearReference

Differential lock

—

mechanical rearReference

Steering

—

powerReference

Engine

Fuel tank

18.2 LReference

—

Engine (gross)

13.8 kWReference

14.4 kWReference

Engine (net)

12.5 kWReference

13.8 kWReference

Displacement

0.9 LReference

Bore/Stroke

70 x 74 mmReference

72 x 72 mmReference

Rated Power (net)

12.5 kWReference

—

Rated Power (gross)

13.8 kWReference

—

Rated RPM

2800Reference

2850Reference

Torque

49.8 NmReference

—

Torque RPM

1800Reference

—

Starter type

electricReference

—

Power (net)

—

13.8 kWReference

Power (gross)

—

14.4 kWReference

Fuel system

—

indirect injectionReference

Air cleaner

—

dry elementReference

Pre-heating

—

glow plugsReference

Compression

—

22.3:1Reference

Starter volts

—

12Reference

Oil capacity

—

15.1 LReference

Coolant capacity

—

3.8 LReference

Transmission

Type

mechanical shuttleReference

unsynchronized gearReference

Gears

8 forward and reverseReference

8 forward and 2 reverseReference

Clutch

—

215mm dry discReference

PTO & Hydraulics

PTO (claimed)

8.9 kWReference

11.9 kWReference

Pressure

150.0 barReference

141.3 barReference

Pump flow

14.0 lpmReference

20.8 lpmReference

Rear Type

INReference

IReference

Rear lift (at 24"/610mm)

249 kgReference

358 kgReference

Rear PTO Type

540/1000Reference

540Reference

Hydraulic system

—

15.1 LReference

Capacity

—

15.1 LReference

Rear valves

—

2Reference

Mid valves

—

2Reference

Total flow

—

37.1 lpmReference

Steering flow

—

16.3 lpmReference

Control

—

position controlReference

Rear PTO

—

liveReference

Engine RPM

—

2100@2600Reference

Mid PTO

—

liveReference

Mid PTO Type

—

2100Reference

Dimensions

Weight

889 kgReference

356 kgReference

Front tire

6.5/80x12Reference

5.00-12Reference

Rear tire

8.25x16Reference

—

Ag front

6.5/80x12Reference

—

Ag rear

250x80-16Reference

—

Lawn/turf front

20x8-10Reference

23x8.50-12Reference

Lawn/turf rear

27x10.5-15Reference

31x15.5-15Reference

Industrial front

25x5.5-14Reference

—

Industrial rear

15-19.5Reference

—

Length

245 cmReference

276 cmReference

Width

103 cmReference

108 cmReference

Height (ROPS)

138 cmReference

—

Ground clearance

24 cmReference

—

Max front axle

600 kgReference

—

Max rear axle

800 kgReference

—

Wheelbase

—

142 cmReference

2WD Rear tire

—

9.5-16Reference

2WD Standard tires (ag)

—

Front: 5.00-12. Rear: 9.5-16Reference

4WD Standard tires (ag)

—

Front: 6-12. Rear: 9.5-16Reference

2WD Weight

—

784 kgReference

4WD Weight

—

843 kgReference

Clearance (drawbar)

—

24 cmReference

2WD Front tread

—

95 cmReference

4WD Front tread

—

93 cmReference

Rear tread

—

83 to 102 cmReference

Capacities

Max capacity

1399 kgReference

—

Fuel

—

23.8 LReference

Front axle

—

3.0 LReference

John Deere 670 attachments

670 Serial Number Location

670 Serial Numbers

1989

—

1001Reference

1990

—

010001Reference

1991

—

104013Reference

1992

—

114751Reference

1993

—

120001Reference

1994

—

130001Reference

1995

—

140001Reference

1996

—

150001Reference

1997

—

160001Reference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

Charging amps

—

20Reference

Battery CCA

—

420Reference

Battery volts

—

12Reference

Attachment overview

60" Mower deck

Cutting width

—

152 cmReference

Overall width

—

184 cmReference

Cut height

—

2 to 22 cmReference

John Deere 7 Backhoe

Backhoe type

—

John Deere 7 BackhoeReference

Transport height

—

175 cmReference

Bucket width

—

48 cmReference

2-Foot flat digging depth

—

228 cmReference

Reach from pivot

—

289 cmReference

Loading height

—

177 cmReference

Bucket Rotation

—

180°Reference

Swing Arc

—

180°Reference

Bucket force

—

496 kgReference

Dipperstick force

—

882 kgReference

John Deere 670 Height

Hood

—

120 cmReference

ROPS

—

194 cmReference

Exhaust

—

185 cmReference

Speeds

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.