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John Deere 670

John Deere 670 tractor
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The John Deere 670 is a compact utility tractor built by Yanmar and distributed by John Deere from 1989 to 1997. It belongs to the 70 Compact Series and was built in Japan. It features a 0.9L 3-cylinder liquid-cooled diesel engine producing 19.3 hp gross and 18.5 hp net, with an 8-speed unsynchronized gear transmission. The tractor offers two- or four-wheel drive options, mechanical rear differential lock, and optional power steering. It has a fuel capacity of 6.3 gallons and a hydraulic system capacity of 4 gallons. The 670 supports various attachments including a 60" mid-mount mower deck, front blade, front-end loader, and backhoe. It has a wheelbase of 56.1 inches and weighs between 1730 and 1860 pounds. The tractor is equipped with a rear PTO (540 rpm) and optional live PTO, as well as an optional mid PTO. Electrical system features a 12-volt battery with 420 CCA and a 20 amp alternator.
John Deere 670compact utility tractorYanmar engine19.3 hp8-speed transmissionPTOhydraulicsattachmentsdimensions
Power19 hp
Founded1989 - 1997
Model670

Technical Specifications

Detailed specifications and technical data for John Deere 670

Power

Engine (net):18.5 hp (13.8 kW)
PTO (claimed):16 hp (11.9 kW)
Engine (gross):19.3 hp (14.4 kW)

Engine

Type:diesel
Model:Yanmar 3TNA72
Cooling:liquid-cooled
Cylinders:3-cylinder
Rated RPM:2850
Air cleaner:dry element
Bore/Stroke:2.83x2.83 inches (72 x 72 mm)
Compression:22.3:1
Fuel system:indirect injection
Power (net):18.5 hp (13.8 kW)
Pre-heating:glow plugs
Displacement:53.6 ci (0.9 L)
Oil capacity:2.7 qts (2.6 L)
Power (gross):19.3 hp (14.4 kW)
Starter volts:12
Coolant capacity:4 qts (3.8 L)

Capacity

Fuel:6.3 gal (23.8 L)
Front axle:3.2 qts (3.0 L)
Hydraulic system:4 gal (15.1 L)

Electrical

Ground:negative
Battery CCA:420
Battery volts:12
Charging amps:20
Charging system:alternator

Hydraulics

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

Mechanical

ROPS:Two-post ROPS
Drive:Two- or four-wheel drive
Brakes:Dry shoe brakes
Steering:manual, power (Optional)
Final drives:spur gear
Differential lock:mechanical rear

Production

Type:Compact Utility tractor
Built in:Japan
Distributor:John Deere
Manufacturer:Yanmar
Original price:$11,800 (1997 2WD), $13,550 (1997 4WD)

Attachments

Overview:60" mid-mount mower deck, blade, front-end loader, backhoe

54" Blade

Cut:4.25 inches (10 cm)
Lift:9.25 inches (23 cm)
Model:John Deere 380A
Mount:front-mount
Width:54 inches (137 cm)
Height:18 inches (45 cm)
Weight:455 lbs (206 kg)
Features:hydraulic-lift, hydraulic-angle

60 Loader

Dump angle:45°
Bucket widths:48 inches (121 cm), 54 inches (137 cm), 60 inches (152 cm)
Breakout force:900 lbs (408 kg)
Reach (dumped):27.5 inches (69 cm)
Reach (ground):49 inches (124 cm)
Bucket breakout:1495 lbs (678 kg)
Height (at pin):69 inches (175 cm)
Clearance (level):64.5 inches (163 cm)
Clearance (dumped):53.5 inches (135 cm)
Rollback (ground line):22°
Lift capacity (full at pin):655 lbs (297 kg)

60" Mower deck

Type:mid-mount John Deere 160
Blades:3-blade
Weight:345 lbs (156 kg)
Cut height:1.0 to 8.75 inch (2 to 22 cm)
Cutting width:60 inches (152 cm)
Overall width:72.5 inches (184 cm)

John Deere 7 Backhoe

Type:John Deere 7 Backhoe
Weight:787 lbs (356 kg)
Swing Arc:180°
Bucket force:1095 lbs (496 kg)
Bucket widths:9 inches (22 cm), 13 inches (33 cm), 16 inches (40 cm), 19 inches (48 cm)
Loading height:70 inches (177 cm)
Bucket Rotation:180°
Reach from pivot:114 inches (289 cm)
Transport height:69 inches (175 cm)
Dipperstick force:1945 lbs (882 kg)
2-Foot flat digging depth:90 inches (228 cm)

Transmission

Type:unsynchronized gear
Gears:8 forward and 2 reverse
Clutch:215mm dry disc
Description:Four gears, plus reverse, in two ranges.
Oil capacity:16 qts (15.1 L)

Tractor hitch

Control:position control
Rear Type:I
Rear lift (at 24"/610mm):790 lbs (358 kg)

Serial Numbers

1989:1001
1990:010001
1991:104013
1992:114751
1993:120001
1994:130001
1995:140001
1996:150001
1997:160001

Dimensions & Tires

Weight:1730 to 1860 pounds
Wheelbase:56.1 inches (142 cm)
Front tire:5.00-12
2WD Rear tire:9.5-16

Power Take-off (PTO)

Mid PTO:live (Optional)
Live PTO:Optional
Rear PTO:transmission
Mid PTO Type:2100
Rear PTO Type:540
Engine RPM (Mid PTO):2100@2600
Engine RPM (Rear PTO):540@2600

Serial Number Location

Description:Serial number plate on the rear of the tractor, below the PTO.