| Manufacturer |
Fiat-Hesston |
| Price |
21,550(USD) |
| Model |
680 |
| Equipment Type |
Utility Tractors |
| Factory |
Italy |
VARIANTS
NEBRASKA TRACTOR TEST 1352 2
| Description |
Diesel 8-speed 4WD May 30 - June 10, 1980 Link: Nebraska Tractor Test 1352 file PTO performance Drawbar performance Gear 1H used for power test Gear 3L used for pull test |
| Power at rated engine speed |
62.47hp / 46.6kW |
| Fuel use |
3.6gal/hour / 13.6l/hour |
| Power at rated PTO speed |
61.20hp / 45.6kW |
| Max power |
53.33hp / 39.8kW |
| Max pull |
6,252lbs / 2835kg |
HESSTON 680 POWER
| PTO (claimed) |
62hp / 46.2kW |
| Drawbar (tested) |
53.33hp / 39.8kW |
| PTO (tested) |
62.47hp / 46.6kW |
ENGINE DETAIL
The Fiat-Hesston 680 tractor features a robust 3.5L Fiat 8045 diesel engine, providing reliable power with a displacement of 211ci and direct injection for improved fuel efficiency and combustion. With a compression ratio of 17:1, the engine operates optimally at a rated RPM of 2500, ensuring sufficient torque for various agricultural tasks. However, it is important to consider that maintenance of the direct injection system might require specialized knowledge and tools, which could present challenges in rural areas lacking resources.
| Description |
Fiat 8045 diesel 4-cylinder liquid-cooled |
| Displacement |
211ci / 3.5L |
| Bore/Stroke |
3.94x4.33inches / 100x 110mm |
| Fuel system |
direct injection |
| Compression |
17:1 |
| Rated RPM |
2500 |
| Starter volts |
12 |
HESSTON 680 ENGINE
The Fiat-Hesston 680 tractor is powered by a robust 3.5L 4-cylinder diesel engine, offering efficient fuel consumption for medium-duty agricultural tasks. With a generous fuel tank capacity of 21.1 gallons, it is well-suited for extended operation without frequent refueling, enhancing productivity in the field. However, users should note the tractor's weight and power output in relation to the specific implements being utilized to avoid underperformance in more demanding applications.
| Description |
Fiat 3.5L 4-cyl diesel |
| Fuel tank |
21.1gal / 79.9L |
TRANSMISSIONS OVERVIEW
The Fiat-Hesston 680 tractor features an 8-speed partially synchronized transmission paired with mechanical shuttle capabilities, providing efficient directional control for enhanced productivity. The combination of 16-speed functionality allows for versatile speed adjustments, which can effectively optimize engine performance in various agricultural tasks. However, the partially synchronized system may pose a challenge during rapid gear changes, potentially requiring operator skill for smooth transitions.
| Description |
8-speed partially synchronized 16-speed 8-speed mechanical shuttle |
TRANSMISSION 1
The Fiat-Hesston 680 features a partially synchronized transmission with 8 forward and 2 reverse gears, enhancing operational flexibility. Its 4-gear configuration, with high and low ranges, allows efficient speed selection for varied tasks, while synchronization in gears 3 and 4 facilitates smoother gear shifts, reducing wear on the drivetrain. However, the limited synchronization may present challenges in rapid gear changes, especially under heavy load conditions.
| Type |
partially synchronized |
| Gears |
8 forward and 2 reverse |
| Description |
Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges |
SPEEDS 1
| Description |
With 16.9-30 rear tires |
TRANSMISSION 2
The Fiat-Hesston 680 tractor features a versatile 16 forward and 4 reverse gear system, utilizing a four-speed gearbox across four ranges, which allows for tailored performance in varied field conditions. The extensive gearing options provide enhanced maneuverability and adaptability, ideal for diverse agricultural tasks. However, operators may require additional training to efficiently navigate the complexity of the multiple ranges and ensure optimal use of the gearbox.
| Gears |
16 forward and 4 reverse |
| Description |
Four gears with four ranges provides sixteen forward speeds |
SPEEDS 2
| Description |
With 16.9-30 rear tires |
TRANSMISSION 3
The Fiat-Hesston 680 tractor features a mechanical shuttle transmission with 8 forward and reverse gears, providing versatility for both transport and field operations. The mechanical shuttle allows for quick directional changes, enhancing productivity during tasks like loader work. However, the absence of a powershift or hydrostatic option may limit operator comfort and control in certain applications, particularly in precision tasks.
| Type |
mechanical shuttle |
| Gears |
8 forward and reverse |
SPEEDS 3
| Description |
With 16.9-30 rear tires |
MECHANICAL
The Fiat-Hesston 680 tractor offers a versatile 4x2 2WD and 4x4 MFWD drivetrain, enhancing traction and stability on varied terrains. The hydrostatic power steering provides responsive handling, while the differential hydraulic disc brakes enhance stopping power, critical for maintaining control in heavy-duty applications. The optional Supercomfort cab with air conditioning increases operator comfort, making it suitable for extended work hours, although additional components may raise maintenance complexity.
| Chassis |
4x2 2WD / 4x4 MFWD 4WD (680DT) |
| Steering |
hydrostatic power |
| Brakes |
differential hydraulic disc |
| Cab |
ROPS standard, Supercomfort cab optional with air conditioning. Optional radio, cassette, and CB radio |
| Transmissions |
8-speed partially synchronized 16-speed 8-speed mechanical shuttle |
HYDRAULICS
| Type |
open center |
| Pressure |
2702psi / 186.3bar |
| Valves |
2 |
| Pump flow |
11gpm / 41.6lpm |
TRACTOR HITCH
| Rear Type |
II |
| Rear lift |
4,410lbs / 2000kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 |
HESSTON 680 TIRES
The Fiat-Hesston 680 features a 2WD configuration with a front tire size of 7.50-16 or an optional 4WD with 11.2-24 for enhanced traction in challenging terrains. Its rear tires, sized at 16.9-30, offer substantial ground contact and stability, making it suitable for agricultural tasks that require robust performance. The choice between 2WD and 4WD can significantly affect maneuverability and fuel efficiency, with 4WD providing improved control on uneven surfaces but potentially increasing operational costs.
| Ag front |
7.50-16 (2WD)/11.2-24 (4WD) |
| Ag rear |
16.9-30 |
DIMENSIONS
| Wheelbase |
89inches / 226cm |
| Length |
135inches / 342cm (2WD) 140inches / 355cm (4WD) |
| Operating weight |
5,407lbs / 2452kg (2WD) 6,029lbs / 2734kg (4WD) |
HESSTON 680 HEIGHT
| Hood |
58.5inches / 148cm (2WD) 64.5inches / 163cm (4WD) |
| ROPS |
101.5inches / 257cm |
| Cab |
99.5inches / 252cm |
DIMENSIONS & TIRES
The Fiat-Hesston 680 tractor features a wheelbase of 89 inches, which promotes stability during field operations. Weighing between 5407 to 6029 pounds, this tractor offers a solid foundation for carrying out various agricultural tasks, although the weight may limit maneuverability on softer terrains. The front tires (7.50-16) provide adequate load support, while the larger rear tires (16.9-30) enhance traction, making it suitable for plowing and hauling heavy implements.
| Wheelbase |
89inches / 226cm |
| Weight |
5407 to 6029 pounds |
| Front tire |
7.50-16 |
| Rear tire |
16.9-30 |
ELECTRICAL
| Charging system |
alternator |
| Charging amps |
45/55 (with cab and A/C) |
| Battery volts |
12 |
