| Manufacturer |
Fiat-Hesston |
| Price |
23,500(USD) |
| Model |
780 |
| Equipment Type |
Utility Tractors |
| Factory |
|
VARIANTS
NEBRASKA TRACTOR TEST 1294 2
| Description |
Diesel 16-speed 2WD October 19 - November 1, 1978 Link: Nebraska Tractor Test 1294 file PTO performance Drawbar performance Gear 4N used for power test |
| Power at rated engine speed |
70.36hp / 52.5kW |
| Fuel use |
4.5gal/hour / 17.0l/hour |
| Power at rated PTO speed |
66.30hp / 49.4kW |
| Max power |
62.88hp / 46.9kW |
NEBRASKA TRACTOR TEST 1386 2
| Description |
Diesel 8-speed 4WD April 21 - 29, 1981 Link: Nebraska Tractor Test 1386 file PTO performance Drawbar performance |
| Power at rated engine speed |
70.57hp / 52.6kW |
| Fuel use |
4.4gal/hour / 16.7l/hour |
| Power at rated PTO speed |
66.67hp / 49.7kW |
| Max power |
59.97hp / 44.7kW |
HESSTON 780 POWER
| PTO (claimed) |
70hp / 52.2kW |
| Drawbar (tested) |
62.88hp / 46.9kW |
| PTO (tested) |
70.57hp / 52.6kW |
ENGINE DETAIL
The Fiat-Hesston 780 tractor is powered by a robust Fiat 8045 diesel engine, featuring a high compression ratio of 17:1 for improved thermal efficiency. With a displacement of 3.7L and an operating range at 2500 RPM, it offers a balance of power and versatility suitable for various farming tasks. However, the electric starter system may require attention in cold weather conditions, potentially impacting reliability during critical operations.
| Description |
Fiat 8045 diesel 4-cylinder liquid-cooled |
| Displacement |
224ci / 3.7L |
| Bore/Stroke |
4.03x4.33inches / 102x 110 mm |
| Compression |
17:1 |
| Rated RPM |
2500 |
| Starter |
electric |
| Starter volts |
12 |
HESSTON 780 ENGINE
The Fiat-Hesston 780 features a robust 3.7L 4-cylinder diesel engine, offering a balance between power and fuel efficiency for agricultural tasks. With a 21.1-gallon fuel tank capacity, it enables extended operational periods, suitable for larger fields or long-duration projects without frequent refueling. However, the performance may vary under heavy loads, necessitating careful management of power delivery to optimize fuel consumption and reduce engine wear.
| Description |
Fiat 3.7L 4-cyl diesel |
| Fuel tank |
21.1gal / 79.9L |
TRANSMISSIONS OVERVIEW
The Fiat-Hesston 780 features an 8-speed partially synchronized transmission combined with a mechanical shuttle, enabling efficient direction changes and improved operator control during field operations. This transmission offers flexibility across diverse applications, though the partially synchronized design may pose challenges in smooth shifting under load. Ideal for tasks requiring rapid shifts between forward and reverse, such as loader work, its versatility could enhance overall productivity.
| Description |
8-speed partially synchronized 16-speed 8-speed mechanical shuttle |
TRANSMISSION 1
The Fiat-Hesston 780 tractor features a partially synchronized transmission with 8 forward and 2 reverse gears, enhancing operational flexibility in varying terrain. The synchronization of gears 3 and 4 allows for smoother shifting in high-demand situations, improving efficiency during fieldwork. However, the limited 2 reverse gears may pose a challenge in maneuverability when compared to competitors with more extensive transmission options.
| 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 18.4-30 rear tires |
TRANSMISSION 2
The Fiat-Hesston 780 tractor's transmission features a 16F/4R gear configuration, facilitating versatility in speed control for various agricultural tasks. The range of forward speeds allows for optimal performance in tasks requiring precise power management, while the 4 reverse gears enhance maneuverability in tight spaces. However, users should consider the potential complexity in mastering gear shifts for efficient operation.
| Gears |
16 forward and 4 reverse |
| Description |
Four gears with four ranges provides sixteen forward speeds. |
SPEEDS 2
| Description |
With 18.4-30 rear tires |
TRANSMISSION 3
The Fiat-Hesston 780 tractor features a mechanical shuttle transmission with 8 forward and reverse gears, allowing for smooth directional changes and enhanced maneuverability in tight spaces. Its straightforward gear selection can provide durability and ease of use for operators, but may limit the ability to shift under load compared to hydraulic systems. Ideal for smaller tasks like hay baling or loading, it emphasizes operational efficiency within agricultural settings.
| Type |
mechanical shuttle |
| Gears |
8 forward and reverse |
SPEEDS 3
| Description |
With 18.4-30 rear tires |
MECHANICAL
The Fiat-Hesston 780 tractor features a 4x2 two-wheel drive or 4x4 MFWD 4WD option, providing versatility for various agricultural tasks and terrain, benefiting from enhanced traction in challenging conditions. The hydraulic wet disc brakes offer improved stopping power and reliability over traditional systems, while the power steering ensures effortless maneuverability, particularly useful in tight or complex work environments. With multiple transmission options, including an 8-speed mechanical shuttle, operators can optimize speed and torque for specific applications, making it a valuable choice for diverse farming operations.
| Chassis |
4x2 2WD/4x4 MFWD 4WD |
| Steering |
power |
| Brakes |
differential hydraulic wet 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
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 |
HESSTON 780 TIRES
The Fiat-Hesston 780 tractor features versatile Ag front tire options, with 7.50-16 for 2WD and 12.4-24 for 4WD configurations, providing improved traction and stability, particularly in varied terrain. The rear tires, measuring 18.4-30, enhance the machine's load-bearing capacity and overall performance in agricultural applications. However, the choice of 2WD versus 4WD may impact the tractor's ability to navigate slippery conditions or uneven surfaces effectively, favoring the 4WD setup for intensive fieldwork.
| Ag front |
7.50-16 (2WD)/12.4-24 (4WD) |
| Ag rear |
18.4-30 |
DIMENSIONS
| Wheelbase |
89inches / 226cm |
| 2WD Length |
135inches / 342cm |
| 4WD Length |
144inches / 365cm |
HESSTON 780 WEIGHT
| 2WD Operating |
5495lbs / 2492kg |
| 4WD Operating |
6200lbs / 2812kg |
| Ballasted |
10100lbs / 4581kg |
HESSTON 780 HEIGHT
| 2WD Hood |
59.5inches / 151cm |
| 4WD Hood |
60inches / 152cm |
| ROPS |
102.5inches / 260cm |
| Cab |
103.5inches / 262cm |
DIMENSIONS & TIRES
The Fiat-Hesston 780 tractor features a wheelbase of 89 inches, providing stability for various agricultural activities. Weighing between 5,495 to 6,200 pounds, its mass aids traction, but may limit maneuverability in tight spaces. Equipped with 7.50-16 front tires and 18.4-30 rear tires, this configuration offers a balance of flotation and grip, making it suitable for both fieldwork and transport duties.
| Wheelbase |
89inches / 226cm |
| Weight |
5495 to 6200 pounds |
| Front tire |
7.50-16 |
| Rear tire |
18.4-30 |
ELECTRICAL
| Charging system |
alternator |
| Charging amps |
45/55*The 55A alternator was used on tractors with cab and air-conditioning. |
| Battery volts |
12 |
