John Deere 670

Name: John Deere 670
Brand: John Deere

Power

19 hp

Production

1989-1997

Engine

Diesel, 3-cylinder

Transmission

Unsynchronized gear

Weight

1860 lbs [843 kg]

Drive

2WD/4WD

Under 25 HP 1980s 1990s

From the same series:

770

Introduction

John Deere 670 Compact Utility Tractor

The John Deere 670 is a compact utility tractor manufactured by Yanmar in Japan, produced between 1989 and 1997. Designed for small-scale agricultural tasks, landscaping, and property maintenance, it belongs to the compact utility segment and offers a balance of maneuverability and operational versatility.

Engine and Performance

The tractor is powered by a Yanmar 3TNA72 liquid-cooled, 3-cylinder diesel engine. With a displacement of 0.9 liters, it delivers a net power output of 18.5 hp (13.8 kW) at a rated speed of 2850 RPM. The engine utilizes an indirect injection fuel system and is equipped with glow plugs for cold-start assistance.

Transmission and Drivetrain

The transmission features an unsynchronized gear system providing 8 forward and 2 reverse speeds across two ranges. Power is transferred via a 215mm dry disc clutch. The unit is available in either two-wheel drive or four-wheel drive configurations, featuring mechanical rear differential locks for enhanced traction in difficult ground conditions.

Hydraulics and PTO

The open-center hydraulic system operates at a pressure of 2050 psi. The main pump flow is 5.5 gpm, with an optional power steering circuit providing up to 9.8 gpm. The rear PTO operates at 540 RPM at 2600 engine RPM. Optional mid-mount PTO capabilities are also supported to accommodate a variety of mid-mounted implements.

Hitch and Dimensions

The rear of the tractor is equipped with a Category I three-point hitch, utilizing position control to manage implements. It offers a lift capacity of 790 lbs (358 kg) measured at 24 inches behind the lift point. The tractor maintains a compact footprint with a 142 cm wheelbase and a base weight ranging from 784 kg to 843 kg depending on the drivetrain configuration.

Conclusion

"The John Deere 670 serves as a robust and reliable utility solution for users requiring a compact machine capable of handling varied light-duty agricultural and landscaping workloads. Its simple mechanical design and availability of both 2WD and 4WD versions make it a practical choice for small farm operations."

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Introduction

Production Information of John Deere, 670

The production information of the tractor (670) includes details about its manufacturing.

Built in Japan

Compact Utility tractor


Distributor	John Deere
Original price	$11,800 (1997 2WD )
Manufacturer	Yanmar
	$13,550 (1997 4WD )

Dimension and Tires Information of John Deere, 670

This section sums up the dimension and tires information of the tractor.


2WD Front tread	37.6 inches [95 cm]
Wheelbase	56.1 inches [142 cm]
4WD Weight	1860 lbs [843 kg]
2WD Weight	1730 lbs [784 kg]
Length	108.8 inches [276 cm]
4WD Front tread	36.9 inches [93 cm]
Clearance (drawbar)	9.7 inches [24 cm]
Width	42.6 inches*Minimum width. [108 cm]
Rear tread	33 to 40.3 inches [83 to 102 cm]


2WD Standard tires (ag)	Front: 5.00-12. Rear: 9.5-16
Lawn/turf rear	31x15.5-15
4WD Standard tires (ag)	Front: 6-12. Rear: 9.5-16
Lawn/turf front	23x8.50-12

Engine Specifications of John Deere, 670

Get the specifications for the engine and if different options are available.

Yanmar 3TNA72

Liquid-cooled

3-cylinder

Diesel


Coolant capacity	4 qts [3.8 L]
Oil capacity	2.7 qts [2.6 L]
Power (gross)	19.3 hp [14.4 kW]
Pre-heating	Glow plugs
Air cleaner	Dry element
Displacement	53.6 ci [0.9 L]
Power (net)	18.5 hp [13.8 kW]
Fuel system	Indirect injection
Bore/Stroke	2.83x2.83 inches [72 x 72 mm]
Starter volts	12
Rated RPM	2850
Compression	22.3:1

Transmission Information of John Deere, 670Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1

Four gears, plus reverse, in two ranges.


Type	Unsynchronized gear
Oil capacity	16 qts [15.1 L]
Gears	8 forward and 2 reverse
Clutch	215mm dry disc

Mechanical Specs of John Deere, 670Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-post ROPS.

Two- or four-wheel drive

Dry shoe brakes


Steering	Power OptOptional
Steering	Manual
Final drives	Spur gear
Differential lock	Mechanical rear

Power Information of John Deere, 670Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Engine RPM	2100@2600
Rear PTO	Transmission
Mid PTO	Live OptOptional
Engine RPM	540@2600
	Live OptOptional
Mid PTO Type	2100
Rear PTO Type	540

Hydraulics Specifications of John Deere, 670

Hydraulic system type, pressure, pump flow and valves.


Total flow	5.5 gpm (manual steering) [20.8 lpm]
Type	Open center
Mid valves	2 OptOptional
Rear valves	2 OptOptional
Capacity	4 gal [15.1 L]
	9.8 gpm (power steering) [37.1 lpm]
Pump flow	5.5 gpm [20.8 lpm]
Pressure	2050 psi [141.3 bar]
Steering flow	4.3 gpm [16.3 lpm]

Three-Point Hitch of John Deere, 670

Hitch category and rear/front lift capacity.


Rear Type	I
Control	Position control
Rear lift (at 24"/610mm)	790 lbs [358 kg]

Electrical System of John Deere, 670

Battery voltage, charging system and ground.


Ground	Negative
Battery volts	12
Battery CCA	420
Charging system	Alternator
Charging amps	20

Frequently asked questions

How much horsepower does the John Deere 670 have?

The John Deere 670 delivers 19 HP.

What years was the John Deere 670 produced?

The John Deere 670 was produced in 1989-1997.

What engine does the John Deere 670 have?

The John Deere 670 is powered by a Diesel, 3-cylinder engine.

What transmission does the John Deere 670 use?

The John Deere 670 uses a Unsynchronized gear transmission.

How much does the John Deere 670 weigh?

The John Deere 670 weighs 1860 lbs [843 kg].

Is the John Deere 670 4WD?

The John Deere 670 is available in 2WD/4WD.

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