| Manufacturer |
John Deere |
| Price |
13,550(USD) |
| Model |
670 |
| Equipment Type |
Compact Utility Tractors |
| Factory |
Japan |
ENGINE DETAIL
The John Deere 670 tractor features a Yanmar 3TNA72 diesel engine, providing 19.3 horsepower with an efficient 22.3:1 compression ratio, ideal for fuel economy in low to medium-intensity agricultural tasks. Its compact size, with a displacement of 0.9L and dry air cleaner, enhances longevity and ease of maintenance, although it may underperform in heavy-duty applications. The indirect injection system and pre-heating glow plugs allow for reliable cold starts, making the tractor suitable for diverse climates and operational scenarios.
| Description |
Yanmar 3TNA72 diesel 3-cylinder liquid-cooled |
| Displacemen |
53.6ci / 0.9L |
| Bore/Strok |
2.83x2.83inches / 72x 72 mm |
| Power (gross |
19.3hp / 14.4kW |
| Fuel syste |
indirect injection |
| Air cleane |
dry element |
| Pre-heatin |
glow plugs |
| Compressio |
22.3:1 |
| Rated RP |
2850 |
| Starter volt |
12 |
| Oil capacit |
2.7qts / 2.6L |
| Coolant capacit |
4 qts/3.8 L |
JOHN DEERE 670 ENGINE
The John Deere 670 features a Yanmar 0.9L 3-cylinder diesel engine, known for its efficiency and compact size which is advantageous for small to mid-sized farming operations. The engine's reduced displacement allows for lower fuel consumption while still providing adequate torque for various tasks, though it may struggle with heavier loads compared to larger tractors. Consider this model for applications such as gardening and light cultivation where maneuverability and fuel efficiency are priorities.
| Description |
Yanmar 0.9L 3-cyl diesel |
TRANSMISSION
The John Deere 670 tractor features an unsynchronized transmission with 8 forward and 2 reverse gears, providing flexibility in various field tasks. The 215mm dry disc clutch enables efficient power transfer but may require more frequent maintenance than wet clutches. Its 16-quart oil capacity is sufficient for moderate use, though operators should monitor oil levels to maintain optimal transmission performance, especially under heavy loads.
| Typ |
unsynchronized gear |
| Gear |
8 forward and 2 reverse |
| Clutc |
215mm dry disc |
| Oil capacit |
16qts / 15.1L |
| Description |
Four gears, plus reverse, in two ranges. |
SPEEDS
| Description |
With 9.5-16 rear tires |
JOHN DEERE 670 TRANSMISSION
The John Deere 670 features an 8-speed unsynchronized transmission, allowing operators to shift gears without the need for a clutch in certain scenarios, which can enhance operational efficiency in varied terrain. However, the lack of synchronization may pose a challenge for inexperienced operators, as shifting can become difficult under load or at higher speeds. This tractor is ideal for applications requiring straightforward gear management, such as mowing or light tilling in smaller plots.
| Description |
8-speed unsynchronized gear |
MECHANICAL
The John Deere 670 tractor features a mechanical rear differential that enhances traction, particularly in challenging terrain when in four-wheel drive. The spur gear final drive system ensures efficient power transmission but may have limitations in terms of maintenance compared to planetary systems. The optional power steering offers improved maneuverability, which can be beneficial in tight working conditions or during prolonged operation.
| Description |
Two- or four-wheel drive Dry shoe brakes Two-post ROPS |
| Final drive |
spur gear |
| Differential loc |
mechanical rear |
| Steerin |
power OptOptional |
CAPACITY
| Fue |
6.3gal / 23.8L |
| Hydraulic syste |
4 gal/15.1 L |
| Front axl |
3.2qts / 3.0L |
HYDRAULICS
| Typ |
open center |
| Capacit |
4 gal/15.1 L |
| Pressur |
2050psi / 141.3bar |
| Rear valve |
2 OptOptional |
| Mid valve |
2 OptOptional |
| Pump flo |
5.5gpm / 20.8lpm |
| Total flo |
5.5 gpm (manual steering)/20.8 lpm/9.8 gpm (power steering)/37.1 lpm |
| Steering flo |
4.3gpm / 16.3lpm |
TRACTOR HITCH
| Rear Typ |
I |
| Contro |
position control |
| Rear lift (at 24 |
790lbs / 358kg |
POWER TAKE-OFF (PTO)
| Rear PT |
transmission/live OptOptional |
| Rear RP |
540 |
| Engine RP |
2100@2600 |
| Mid PT |
live OptOptional |
| Mid RP |
2100 |
JOHN DEERE 670 TIRES
The John Deere 670 tractor features a variety of tire configurations for optimal performance in different environments, including a 2WD setup with standard agricultural tires (5.00-12 front and 9.5-16 rear) and a 4WD configuration that utilizes 6-12 front and 9.5-16 rear tires, enhancing traction in off-road conditions. Lawn and turf options (23x8.50-12 front and 31x15.5-15 rear) provide a gentler footprint suitable for sensitive surfaces, making the tractor versatile for both agricultural and landscaping applications. Consider the terrain and tasks when selecting between 2WD for lighter, flat ground work and 4WD for hilly or muddy conditions where increased stability is paramount.
| 2WD Standard tires (ag |
Front: 5.00-12. Rear: 9.5-16 |
| 4WD Standard tires (ag |
Front: 6-12. Rear: 9.5-16 |
| Lawn/turf fron |
23x8.50-12 |
| Lawn/turf rea |
31x15.5-15 |
DIMENSIONS & TIRES
The John Deere 670 features a compact 56.1-inch wheelbase, enhancing maneuverability in tight spaces, making it suitable for small to medium farming operations. With a weight range of 1730 to 1860 pounds, it offers stability but may limit its towing capacity compared to heavier models. The mixed tire sizes, with 5.00-12 in the front and 9.5-16 in the rear, optimize traction on various terrains but could present challenges in wear consistency and maintenance, especially in 2WD configurations.
| Wheelbas |
56.1inches / 142cm |
| Weigh |
1730 to 1860 pounds |
| Front tir |
5.00-12 |
| 2WD Rear tir |
9.5-16 |
670 SERIAL NUMBERS
670 SERIAL LOCATION
| Description |
Serial number plate on the rear of the tractor, below the PTO. |
ELECTRICAL
| Groun |
negative |
| Charging syste |
alternator |
| Charging amp |
20 |
| Battery CC |
420 |
| Battery volt |
12 |
