| Manufacturer | Oliver |
| Price | 8,500(USD) |
| Model | 1850 |
| Equipment Type | Row-Crop Tractors |
| Factory |
NEBRASKA TRACTOR TEST 869 2
| Description | Diesel 12-speed 4WD October 26 - November 3, 1964 Link: Nebraska Tractor Test 869 file PTO performance Drawbar performance Gear 4-low used for power test Gear 1-high used for pull test |
| Power at rated engine speed | 92.92hp / 69.3kW |
| Fuel use | 6.3gal/hour / 23.8l/hour |
| Max power | 83.55hp / 62.3kW |
| Max pull | 14,407lbs / 6535kg |
NEBRASKA TRACTOR TEST 870 2
| Description | Diesel 12-speed 2WD October 26 - November 5, 1964 Link: Nebraska Tractor Test 870 file PTO performance Drawbar performance Gear 4-low used for power test Gear 2-low used for pull test |
| Power at rated engine speed | 92.94hp / 69.3kW |
| Fuel use | 6.1gal/hour / 23.1l/hour |
| Max power | 80.04hp / 59.7kW |
| Max pull | 10,773lbs / 4886kg |
NEBRASKA TRACTOR TEST 875 2
| Description | Gasoline 12-speed 2WD November 12 - 24, 1964 Link: Nebraska Tractor Test 875 file PTO performance Drawbar performance Gear 4-low used for power test Gear 4-low used for pull test |
| Power at rated engine speed | 92.43hp / 68.9kW |
| Fuel use | 7.8gal/hour / 29.5l/hour |
| Max power | 76.66hp / 57.2kW |
| Max pull | 10,675lbs / 4842kg |
NEBRASKA TRACTOR TEST 876 2
| Description | Gasoline 12-speed 4WD November 16 - 24, 1964 Link: Nebraska Tractor Test 876 file PTO performance Drawbar performance Gear 4-low used for power test Gear 1 used for pull test |
| Power at rated engine speed | 92.92hp / 69.3kW |
| Fuel use | 8.2gal/hour / 31.0l/hour |
| Max power | 84.52hp / 63.0kW |
| Max pull | 14,227lbs / 6453kg |
OLIVER 1850 POWER
| Gas PTO (claimed) | 92hp / 68.6kW |
| Diesel PTO (claimed) | 92hp / 68.6kW |
| LP-gas PTO (claimed) | 90hp / 67.1kW |
| Drawbar (tested) | 84.52hp / 63.0kW |
| PTO (tested) | 92.94hp / 69.3kW |
ENGINES OVERVIEW
The Oliver 1850 tractor is powered by options of Waukesha-Oliver 5.1L gasoline, Perkins 5.8L diesel, or Waukesha-Oliver 5.1L LP Gas engines, providing versatility based on fuel preference. The gasoline variant offers higher RPM and responsiveness, while the Perkins diesel offers superior torque and fuel efficiency for heavy-duty applications. However, the LP Gas option may face availability and infrastructure challenges, impacting operational convenience in remote areas.
| Description | Waukesha-Oliver 5.1L 6-cyl gasoline Perkins 5.8L 6-cyl diesel Waukesha-Oliver 5.1L 6-cyl LP Gas |
ENGINE DETAIL 1
The Oliver 1850 features a robust Waukesha-Oliver 6-cylinder gasoline engine with a displacement of 5.1L, providing substantial power for agricultural tasks. Its 8.5:1 compression ratio and rated RPM of 2400 optimize torque and efficiency, making it suitable for heavy-duty applications; however, fuel consumption may be higher compared to diesel alternatives. Key considerations are its maintenance requirements, particularly for the dry air cleaner system, which necessitates regular upkeep to ensure optimal performance.
| Description | Waukesha-Oliver gasoline 6-cylinder liquid-cooled |
| Displacement | 310ci / 5.1L |
| Bore/Stroke | 3.875x4.375inches / 98x 111mm |
| Air cleaner | dry with precleaner |
| Compression | 8.5:1 |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Oil capacity | 8qts / 7.6L |
| Coolant capacity | 20qts / 18.9L |
ENGINE DETAIL 2
The Oliver 1850 features a robust Perkins 354 diesel engine, delivering efficient performance at a rated RPM of 2400. Its compression ratio of 16:1 allows for superior torque and better fuel efficiency, making it suitable for heavy-duty tasks in agriculture. Notably, the 12-quart oil capacity and 20-quart coolant capacity support extended operational periods while minimizing maintenance frequency, yet the dry air cleaner requires regular monitoring for optimal engine performance.
| Description | Perkins diesel 6-cylinder liquid-cooled The 354 Perkins diesel in the Oliver 1850 was initially listed as a 352 |
| Displacement | 354ci / 5.8L |
| Bore/Stroke | 3.88x5.00inches / 99x 127mm |
| Air cleaner | dry with pre-cleaner |
| Compression | 16:1 |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Oil capacity | 12qts / 11.4L |
| Coolant capacity | 20qts / 18.9L |
ENGINE DETAIL 3
The Oliver 1850 tractor, equipped with a Waukesha-Oliver LP Gas 6-cylinder engine, offers a substantial displacement of 310ci (5.1L) with a 9:1 compression ratio, maximizing efficiency and power output. Its generous oil capacity of 8 quarts (7.6L) and coolant capacity of 20 quarts (18.9L) indicate robust thermal management, essential for sustained high-performance operation. However, the reliance on LP Gas may pose fueling infrastructure challenges in certain regions, potentially limiting operational adaptability.
| Description | Waukesha-Oliver LP Gas 6-cylinder liquid-cooled |
| Displacement | 310ci / 5.1L |
| Bore/Stroke | 3.875x4.375inches / 98x 111mm |
| Compression | 9:1 |
| Starter volts | 12 |
| Oil capacity | 8 qts /7.6 L |
| Coolant capacity | 20qts / 18.9L |
OLIVER 1850 ENGINES
The Oliver 1850 tractor features a versatile engine lineup, including the Waukesha-Oliver 5.1L gasoline and LP gas options, as well as the Perkins 5.8L diesel variant, allowing for varied fuel adaptability depending on operational needs. The gasoline engines provide a responsive performance suitable for lighter agricultural tasks, while the diesel option offers enhanced torque and fuel efficiency for heavier workloads. However, challenges include higher maintenance costs for the diesel variant and potential availability issues for parts, impacting long-term operational reliability.
| Description | Waukesha-Oliver 5.1L 6-cyl gasoline Perkins 5.8L 6-cyl diesel Waukesha-Oliver 5.1L 6-cyl LP Gas |
TRANSMISSIONS OVERVIEW
The Oliver 1850 tractor features a 6-speed unsynchronized transmission complemented by a 12-speed partial powershift and an 18-speed partial power shift option, providing flexibility in power management for different field conditions. The unsynchronized gearbox allows for straightforward operation but may pose challenges during clutchless shifting, particularly under load. The partial powershift enhances operational efficiency and enables quicker speed adjustments for improved productivity in tasks such as plowing or hay baling.
| Description | 6-speed unsynchronized 12-speed partial powershift 18-speed partial power shift |
TRANSMISSION 1
The Oliver 1850 tractor features a 6-speed forward and 2-speed reverse unsynchronized transmission, which may require skillful shifting to prevent grinding gears. The 330mm dry disc clutch offers robust engagement, but potential slippage could occur under heavy loads, necessitating proper adjustment and maintenance. With an oil capacity of 43 quarts, ensure regular oil checks to maintain optimal engine performance and longevity, particularly in extended operational scenarios.
| Type | unsynchronized |
| Gears | 6 forward and 2 reverse |
| Clutch | 330mm dry disc |
| Oil capacity | 43qts / 40.7L |
TRANSMISSION 2
The Oliver 1850 features a Hydra-Power partial powershift transmission, providing smoother gear transitions with 12 forward and 4 reverse speeds for versatile operation in diverse agricultural tasks. The 330mm dry disc clutch allows for effective torque transfer but may pose challenges in heavy-duty applications due to potential wear and heat buildup. In scenarios requiring frequent gear changes, this transmission system enhances productivity but may require skilled operation to optimize performance.
| Transmission | Hydra-Power |
| Type | partial powershift |
| Gears | 12 forward and 4 reverse |
| Clutch | 330mm dry disc |
TRANSMISSION 3
The Oliver 1850's Hydraul-Shift transmission allows seamless gear changes without needing to stop, enhancing operational efficiency in various farming tasks. With 18 forward and 6 reverse gears, it offers versatility for diverse terrain and applications, although potential challenges include maintenance complexity and hydraulic system sensitivity. Ideal for users needing flexibility in speed and torque management during fieldwork, this transmission is particularly advantageous for tasks requiring frequent gear adjustments.
| Transmission | Hydraul-Shift |
| Type | partial power shift |
| Gears | 18 forward and 6 reverse |
| Description | Introduced in late 1967, the Hydraul-Shift transmission provided an on-the-move shift to underdrive and overdrive |
MECHANICAL
The Oliver 1850 tractor offers versatile drivetrain options with 2WD, 4WD, and optional MFWD, enhancing traction and stability across various terrains. Its power-assisted steering improves maneuverability, while the open operator station may limit comfort; however, the optional Oliver Continental Cab with air-conditioning provides a more pleasant working environment. Transmission choices, including a 12-speed partial powershift, maximize operational efficiency for diverse farming applications but may require skilled handling due to unsynchronized gears in the basic 6-speed variant.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power assist |
| Brakes | differential disc |
| Cab | Open operator station. Oliver Continental Cab optional with available air-conditioning |
| Transmissions | 6-speed unsynchronized 12-speed partial powershift 18-speed partial power shift |
CAPACITY
| Gas Fuel | 34.5gal / 130.6L |
| Diesel Fuel | 31.5gal / 119.2L |
| LP-gas Fuel | 42gal / 159.0L 78gal / 295.2L *Capacity of optional wheel-guard tanks |
| Hydraulic system | 5gal / 18.9L |
HYDRAULICS
| Type | open center |
| Capacity | 5gal / 18.9L |
| Pressure | 2500psi / 172.4bar |
| Valves | 2 to 4 |
| Pump flow | 15.9gpm / 60.2lpm |
TRACTOR HITCH
| Rear Type | II/III |
| Rear lift (at 24 | 6000lbs / 2721kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000/540/1000 |
OLIVER 1850 TIRES
The Oliver 1850 tractor offers versatile tire options for optimal traction and stability in both 2WD and 4WD configurations. The larger 4WD Ag rear tires, such as 23.1-34, enhance load-carrying capacity and traction on soft soils, making it ideal for field operations in challenging conditions. However, the 2WD setup with 15.5-38 rear tires may present limitations in terms of traction and maneuverability compared to the 4WD variant, especially in muddy or hilly terrains.
| 2WD Ag front | 7.50-18 |
| 4WD Ag front | 13.6/12-24 |
| Ag rear | 18.4-34 |
| 2WD Ag rear | 15.5-38 |
| 4WD Ag rear | 23.1-34 |
DIMENSIONS
| 2WD Wheelbase | 103inches / 261cm |
| 4WD Wheelbase | 86.25inches / 219cm |
| 2WD Length | 159.5inches / 405cm |
| 4WD Length | 152.5inches / 387cm |
| Width | 86.5inches / 219cm *Minimum width |
| Height (steering wheel) | 78.5inches / 199cm |
| Ground clearance | 25.5inches / 64cm |
| 2WD Front tread | 68 to 89.5inches / 172to 227cm |
| 4WD Front tread | 66/70.75/80inches / 167/179/203cm |
| Rear tread | 68 to 89.5inches / 172to 227cm |
OLIVER 1850 WEIGHT
| Operating | 8,965lbs / 4066kg (2WD gas) 9,265lbs / 4202kg (2WD diesel) 10,605lbs / 4810kg (4WD gas) 10,965lbs / 4973kg (4WD diesel) |
| Ballasted | 16,225lbs / 7359kg |
DIMENSIONS & TIRES
The Oliver 1850 tractor's robust weight range of 8,965 to 10,965 pounds offers stability, making it suitable for heavy-duty agricultural tasks. The 2WD configuration with a 103-inch wheelbase provides excellent traction and maneuverability on flat terrain, while the 4WD option, though shorter at 86.25 inches, enhances off-road capabilities and grip on uneven surfaces. However, tire dimensions (e.g., 7.50-15 front and 18.4-34 rear) may necessitate careful selection for optimal performance based on soil conditions and crop types, impacting efficiency and productivity.
| 2WD Wheelbase | 103inches / 261cm |
| 4WD Wheelbase | 86.25inches / 219cm |
| Weight | 8965 to 10965 pounds |
| Front tire | 7.50-15 |
| Rear tire | 18.4-34 |
OLIVER 1610 LOADER
| Height (to pin) | 106.5inches / 270cm |
| Clearance, dumped bucket | 75.5inches / 191cm |
| Dump reach | 39inches / 99cm |
| Dump angle | 69° |
| Reach at ground | 54inches / 137cm |
| Breakout force (lift) | 3200lbs / 1451kg |
| Lift to full height (at pin) | 2000lbs / 907kg |
| Bucket width | 48inches / 121cm 68inches / 172cm |
OLIVER 1810 LOADER
| Height (to pin) | 168inches / 426cm |
| Clearance, dumped bucket | 140inches / 355cm |
| Dump reach | 36inches / 91cm |
| Dump angle | 45° |
| Reach at ground | 87inches / 220cm |
| Breakout force (lift) | 4500lbs / 2041kg |
| Lift to full height (at pin) | 2500lbs / 1134kg |
| Bucket width | 78inches / 198cm |
1850 SERIAL NUMBERS
| Location | instrument panel support |
| 1964 | 150421 |
| 1965 | 153014 |
| 1966 | 168127 |
| 1967 | 183382 |
| 1968 | 200360 |
| 1969 | 212673 |