| Manufacturer | CaseIH |
| Price | 22,300(USD) |
| Model | 685 |
| Equipment Type | Utility Tractors |
| Factory | Doncaster, England |
NEBRASKA TRACTOR TEST 1604 2
| Description | Diesel 16-speed 2WD October 7 - 14, 1986 Link: Nebraska Tractor Test 1604 file/PTO performance/Drawbar performance Gear 1HDD used for power test Gear 2LDD used for pull test |
| Power at rated engine speed | 61.02hp / 45.5kW |
| Fuel use | 4.2gal/hour / 15.9l/hour |
| Power at rated PTO speed | 58.80hp / 43.8kW |
| Max power | 52.90hp / 39.4kW |
| Max pull | 7207lbs / 3269kg |
CASEIH 685 POWER
| Engine | 73hp / 54.4kW |
| Drawbar (claimed) | 54hp / 40.3kW |
| PTO (claimed) | 61hp / 45.5kW |
| Drawbar (tested) | 52.90hp / 39.4kW |
| PTO (tested) | 61.02hp / 45.5kW |
ENGINE DETAIL
The CaseIH 685 is powered by a D-239 diesel engine with a displacement of 3.9L, offering a compression ratio of 16:1, which enhances fuel efficiency and power output at a rated RPM of 2400. Its dual paper element air cleaner can improve engine performance by ensuring better air filtration and reducing maintenance. This tractor delivers 73hp, making it suitable for various agricultural tasks, albeit with limitations in heavy-duty applications due to its moderate power output compared to larger models.
| Description | CaseIH D-239 diesel 4-cylinder liquid-cooled |
| Displacement | 238.8ci / 3.9L |
| Bore/Stroke | 3.875x5.06inches / 98x 129mm |
| Power | 73hp / 54.4kW |
| Air cleaner | dual paper elements |
| Compression | 16:1 |
| Rated RPM | 2400 |
| Starter volts | 12 |
CASEIH 685 ENGINE
The CaseIH 685 tractor features a robust 3.9L 4-cylinder diesel engine, which offers a balance of power and fuel efficiency, making it suitable for various agricultural tasks. Its compact design enhances maneuverability in tight spaces, while the mechanical systems allow for easy maintenance. However, operators may face challenges with parts availability in certain regions, potentially impacting downtime during repairs.
| Description | CaseIH 3.9L 4-cyl diesel |
TRANSMISSIONS OVERVIEW
The CaseIH 685 features an 8-speed transmission with an optional 16-speed two-speed power shift, allowing for versatile speed management and improved fuel efficiency in variable field conditions. This transmission system enhances operational adaptability, particularly for tasks requiring frequent speed adjustments, such as plowing or tilling. However, users should be aware of the potential complexity in mastering the power shift operation, which may require additional training for optimal performance.
| Description | 8-speed gear 16-speed two-speed power shift |
TRANSMISSION 1
The CaseIH 685 tractor features an 8F/4R transmission, providing a diverse range of speeds for various agricultural tasks, offering optimal power and control during fieldwork. The dry disc clutch ensures reliable engagement but may require more pedal effort compared to hydraulic alternatives, potentially leading to operator fatigue during extended use. Ideal for small to medium-sized farms, this tractor's gearing is suitable for tasks such as plowing and tilling, striking a balance between efficiency and performance.
| Type | gear |
| Gears | 8 forward and 4 reverse |
| Clutch | dry disc |
TRANSMISSION 2
The CaseIH 685 features a two-speed power shift transmission, allowing for efficient gear changes with a total of 16 forward and 8 reverse speeds, which enhances versatility for various field operations. The dry disc clutch provides reliable engagement and reduced maintenance needs, though it may require more careful operation compared to wet clutches under heavy loads. This tractor is well-suited for medium-duty agricultural tasks, but operators should be mindful of the clutch's heat buildup during prolonged use to prevent premature wear.
| Type | two-speed power shift |
| Gears | 16 forward and 8 reverse |
| Clutch | dry disc |
MECHANICAL
The CaseIH 685 tractor features a versatile drivetrain with options for 2WD or 4WD configurations, allowing for improved traction and stability in varying field conditions. Its 8-speed or 16-speed power shift transmission enhances operational efficiency, facilitating seamless gear changes for various tasks. The power steering system provides easier maneuverability, while the optional ROPS cab ensures operator safety, but the absence of a fully enclosed cab may limit comfort in adverse weather conditions.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | differential hydraulic wet disc |
| Cab | Two-post ROPS Cab optional |
| Transmissions | 8-speed gear 16-speed two-speed power shift |
CAPACITY
| Fuel | 20gal / 75.7L |
| Hydraulic system | 9 gal /34.1 L |
HYDRAULICS
| Type | open center |
| Capacity | 9 gal /34.1L |
| Pressure | 2500psi / 172.4bar |
| Valves | 1 or 2 |
| Pump flow | 15.8gpm / 59.8lpm 18.6gpm / 70.4lpm |
TRACTOR HITCH
| Rear Type | II/I |
| Rear lift (at 24 | 3260lbs / 1478kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000 |
CASEIH 685 TIRES
The CaseIH 685 tractor features Ag front tires of size 7.50-16, providing good maneuverability and stability for various agricultural operations, and Ag rear tires of size 16.9-30, which enhance traction and load-bearing capacity on uneven terrain. This tire configuration supports effective tillage and hauling tasks, making it suitable for diverse farming conditions. However, the larger rear tires may limit its performance in very tight spaces, so consider operational environments before selection.
| Ag front | 7.50-16 |
| Ag rear | 16.9-30 |
DIMENSIONS
| Wheelbase | 84.5inches / 214cm |
| Length | 141.6inches / 359cm |
| 2WD Height | 93.5inches / 237cm |
| 4WD Height | 96.5inches / 245cm |
CASEIH 685 WEIGHT
| 2WD Operating | 5660lbs / 2567kg |
| Ballasted | 8845lbs / 4012kg |
| Max capacity | 10150lbs / 4604kg |
DIMENSIONS & TIRES
The CaseIH 685 tractor features a wheelbase of 84.5 inches, providing stability and maneuverability for its weight class of 5660 lbs, making it suitable for a variety of agricultural tasks. Its front tires (7.50-16) and rear tires (16.9-30) configuration offers good traction and balance, ideal for field operations and light towing. However, the tractor may pose challenges in rough terrains due to its weight distribution; hence, ensuring proper ballast is crucial for optimal performance.
| Wheelbase | 84.5inches / 214cm |
| Weight | 5660lbs / 2567kg |
| Front tire | 7.50-16 |
| Rear tire | 16.9-30 |
685 SERIAL NUMBERS
| Location | Serial number plate on the tractors front-right axle support |
| 1985 | 15000 |
| 1986 | 18000 |
| 1987 | 19558 |
| 1988 | 23107 |
| 1989 | 26391 |
| 1990 | 29371 |
ELECTRICAL
| Charging system | alternator |
| Charging amps | 45 |