| Manufacturer |
Minneapolis-Moline |
| Price |
2,400(USD) |
| Model |
GTB |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
Minneapolis, Minnesota, USA |
VARIANTS
NEBRASKA TRACTOR TEST 437 2
| Description |
Gasoline 5-speed 2WD April 21 - May 16, 1950 Link: Nebraska Tractor Test 437 file Drawbar performance Gear 3 used for power test Gear 1 used for pull test |
| Belt power (max) |
58.03hp / 43.3kW |
| Belt fuel use (max) |
5.3gal/hour / 20.1l/hour |
| Max power |
49.53hp / 36.9kW |
| Max pull |
6,410lbs / 2907kg |
MINNEAPOLIS-MOLINE GTB POWER
| Drawbar (claimed) |
37hp / 27.6kW |
| PTO (claimed) |
54hp / 40.3kW |
| Drawbar (tested) |
49.53hp / 36.9kW |
| Belt (tested) |
58.03hp / 43.3kW |
ENGINES OVERVIEW
The Minneapolis-Moline GTB features two engine options: a 6.6L 4-cylinder gasoline variant and a robust 7.0L 6-cylinder diesel, allowing for versatility based on operational needs. The gasoline engine offers quicker starts and lower initial costs, while the diesel option provides superior torque and fuel efficiency for more demanding tasks. Users should consider the specific agricultural requirements and fuel availability when selecting between these engine types.
| Description |
Minneapolis-Moline 6.6L 4-cyl gasoline/Minneapolis-Moline 7.0L 6-cyl diesel |
ENGINE DETAIL 1
The Minneapolis-Moline GTB features a robust 4-cylinder gasoline engine with a significant displacement of 403.2ci (6.6L), optimized for low-RPM operation (rated at 1100 RPM), which is beneficial for tasks requiring high torque at low speeds. Its oil bath air cleaner system enhances durability by efficiently filtering dust and contaminants, though may require regular maintenance. The lower compression ratio (5.4:1) reduces the risk of engine knocking, making it suitable for varied fuel qualities, however, it may limit maximum power output compared to higher-compression alternatives.
| Description |
Minneapolis-Moline 403A-4 gasoline 4-cylinder liquid-cooled |
| Displacement |
403.2ci / 6.6L |
| Bore/Stroke |
4.625x6.00inches / 117x 152mm |
| Air cleaner |
oil bath |
| Compression |
5.4:1 |
| Rated RPM |
1100 |
| Firing order |
1-3-4-2 |
| Starter volts |
12 |
| Oil capacity |
9qts / 8.5L |
ENGINE DETAIL 2
The Minneapolis-Moline GTB features a robust D425-6 diesel engine with a substantial displacement of 425.5 cubic inches (7.0L) and a high compression ratio of 14.9:1, enabling efficient fuel combustion and torque delivery at a rated RPM of 1300. The firing order (1-5-3-6-2-4) indicates a balanced power distribution, which enhances smooth operation and reduces vibration, beneficial for long hours of fieldwork. However, the relatively high oil capacity of 14 quarts (13.2L) necessitates careful maintenance to avoid potential engine wear from inadequate lubrication.
| Description |
Minneapolis-Moline D425-6 diesel 6-cylinder liquid-cooled |
| Displacement |
425.5ci / 7.0L |
| Bore/Stroke |
4.25x5.00inches / 108x 127mm |
| Compression |
14.9:1 |
| Rated RPM |
1300 |
| Firing order |
1-5-3-6-2-4 |
| Starter volts |
12 |
| Oil capacity |
14qts / 13.2L |
MINNEAPOLIS-MOLINE GTB ENGINES
The Minneapolis-Moline GTB tractor features a robust 6.6L 4-cylinder gasoline engine or an optional 7.0L 6-cylinder diesel, offering flexibility in powertrains for varied agricultural applications. With a 29-gallon (109.8L) fuel tank, it provides extended operational range, reducing downtime during high-demand tasks. However, owners must consider the fuel efficiency trade-offs between gasoline and diesel options, particularly in terms of maintenance costs and availability of fuel types.
| Description |
Minneapolis-Moline 6.6L 4-cyl gasoline/Minneapolis-Moline 7.0L 6-cyl diesel |
| Fuel tank |
29gal / 109.8L |
TRANSMISSION
The Minneapolis-Moline GTB tractor features a 5-speed forward and single reverse gear system, allowing for versatile speed management and maneuverability in various agricultural scenarios. The dry disc clutch provides reliable engagement but may require more maintenance and adjustments compared to wet clutches, particularly in heavy usage conditions. Overall, this configuration is suitable for utility tasks but may challenge operators in high-stress environments where smoother clutch operation is critical.
| Type |
gear |
| Gears |
5 forward and 1 reverse |
| Clutch |
dry disc |
SPEEDS
| Description |
With 14-34 rear tires |
MECHANICAL
The Minneapolis-Moline GTB tractor features a 4x2 2WD chassis, providing basic maneuverability suited for flat terrain but limiting traction on slippery or uneven surfaces. With manual steering and mechanical band brakes, operators may face challenges in precision control and braking efficiency compared to modern hydraulic systems. The 5-speed gearbox offers flexibility for various tasks but may require more frequent gear shifts for optimal performance in different field conditions.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Brakes |
mechanical band |
| Cab |
Open operator station |
| Transmission |
5-speed gear |
POWER TAKE-OFF (PTO)
MINNEAPOLIS-MOLINE GTB TIRES
The Minneapolis-Moline GTB tractor features an agricultural front tire size of 34-5.5 and a rear size of 50-12, both constructed from steel, enhancing durability and traction in field operations. However, the use of steel can increase overall weight, potentially impacting fuel efficiency and soil compaction in sensitive terrains. This configuration is ideal for heavy-duty agricultural tasks but may require careful management in soft or loamy soils to minimize disturbance.
| Ag front |
34-5.5 (steel) |
| Ag rear |
50-12 (steel) |
DIMENSIONS
| Wheelbase |
82.5inches / 209cm |
| Length |
133.3inches / 338cm |
| Width |
80inches / 203cm |
| Height (steering wheel) |
71inches / 180cm |
| Height (hood) |
67.125inches / 170cm |
| Weight |
6500lbs / 2948kg |
| Front tread |
53.25inches / 135cm |
| Rear tread |
62inches / 157cm |
DIMENSIONS & TIRES
The Minneapolis-Moline GTB tractor, with a wheelbase of 82.5 inches, provides a stable platform for both fieldwork and transport, enhancing maneuverability in tight spaces. At 6,500 lbs, its weight offers a balance of traction and stability, critical for implementing heavy attachments and plowing tasks. However, the tire specification (7.50-18 front and 14-34 rear) may limit adaptability to certain soil conditions, potentially affecting performance in softer terrains.
| Wheelbase |
82.5inches / 209cm |
| Weight |
6500lbs / 2948kg |
| Front tire |
7.50-18 |
| Rear tire |
14-34 |
GTB SERIAL NUMBERS
| Location |
Right side of tractor frame, just ahead of operator platform |
| 1947 |
164001 |
| 1948 |
0164800001 |
| 1949 |
0164900001 |
| 1950 |
016500001 |
| 1951 |
01601864 |
| 1952 |
01603397 |
| 1953 |
06800001 (diesel) |
| 1954 |
06800002 (diesel) |
| Final |
06800850 (diesel) |
BELT PULLEY
| Diameter |
16inches / 40cm |
| Width |
7inches / 17cm |
| RPM |
627 |
| Speed |
2630ft/min / 801.62meters/min |
