Ford New Holland 631 Tractor Parts
631 parts and accessories
The Ford New Holland 631 tractor, a workhorse for farmers, was produced from 1958-1962. Typically powered by a gasoline engine producing around 34 horsepower, it offered a practical PTO horsepower for various farm tasks. Its reliability and straightforward design made it a popular choice for small to medium-sized farms during its production run.
The Ford New Holland 631 was introduced as a utility tractor designed for general farm work. Production ran from 1958 to 1962. The standard engine was a Ford 134 CID 4-cylinder gasoline engine, producing approximately 34 horsepower. Some models were equipped with a diesel engine option, offering improved fuel economy. The transmission was typically a 4-speed manual gear transmission, providing a range of speeds suitable for different tasks. The rear PTO delivered around 30 horsepower at 540 RPM. The hydraulic system offered a moderate flow rate, adequate for operating implements like loaders and mowers. The 3-point hitch was typically Category I, capable of lifting several hundred pounds. Common applications included mowing, light tillage, hay production, and general livestock work. What distinguished the 631 from other models in the lineup was its compact size and versatile capabilities, making it suitable for smaller farms or as a second tractor for larger operations.
Specifications
| Engine | Ford 134 CID 34 HP Gas |
|---|---|
| PTO HP | 30 HP @ 540 RPM |
| Transmission | Gear 4-speed |
| Hydraulics | 5 GPM, 1 remotes |
| 3-Point Hitch | Category I, 1500 lbs |
| Fuel Capacity | 14 gallons |
| Weight | 2800 lbs |
| Years Produced | 1958-1962 |
Maintenance Tips
- Engine Oil Changes: Change the engine oil and filter every 100-150 hours of operation, or at least annually. Use the recommended oil type and filter for optimal engine protection.
- Hydraulic System Maintenance: Check the hydraulic fluid level regularly and replace the hydraulic filter every 200-300 hours. Use clean, compatible hydraulic fluid to prevent contamination and ensure smooth operation.
- Fuel System Care: Regularly inspect and clean the fuel filter and sediment bowl to prevent fuel line clogs. Use fresh fuel and consider adding a fuel stabilizer during seasonal storage.
History & Background
The Ford New Holland 631 was part of the broader Ford tractor lineup aimed at providing versatile and affordable tractors for a wide range of farming operations. It was introduced during a period of agricultural modernization and offered farmers a reliable machine for increasing productivity. While not revolutionary, the 631 played a significant role in the mechanization of smaller farms.
Frequently Asked Questions
What engine is in the Ford New Holland 631?
The Ford New Holland 631 typically features a Ford 134 cubic inch (CID) 4-cylinder gasoline engine, producing approximately 34 horsepower.
What is the PTO horsepower on a 631?
The Ford New Holland 631 has a PTO horsepower rating of approximately 30 horsepower at 540 RPM.
What oil filter fits the 631?
Common oil filter cross-references for the Ford New Holland 631 include Fram PH3614, Wix 51069, and NAPA 1069. Always verify compatibility with your specific tractor before installation.
What are common parts needed for the 631?
Common parts needed for the Ford New Holland 631 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, spark plugs, clutch discs, and steering components like tie rod ends.

C3NN7D211A - Clutch Piston Spring Retainer
SKU: C3NN7D211A
18 in stock

C0NN7B421A - Snap Ring
SKU: C0NN7B421A
54 in stock

B9NN7A381B - Transmission (2nd) Gear
SKU: B9NN7A381B
8 in stock

B9NN7114A - 2nd Speed Gear Countershaft
SKU: B9NN7114A
31 in stock

9N7120 - Transmission Bearing
SKU: 9N7120
23 in stock

9N7086 - Bearing Retainer (Main Drive & Countershaft) Gasket
SKU: 9N7086
115 in stock

9N4131 - Differential Center Housing Side Cover Gasket
SKU: 9N4131
210 in stock

8N7102 - 3rd Gear
SKU: 8N7102
13 in stock

8N7100 - 1st Gear
SKU: 8N7100
6 in stock

8N7052A - Transmission Main Drive Gear Oil Seal
SKU: 8N7052A
78 in stock

86533415 - Brake Drum
SKU: 86533415
34 in stock

83905584 - Shift Lever Knob
SKU: 83905584
88 in stock

81803416 - Bearing Kit
SKU: 81803416
42 in stock

49141 - Brake Shoe Adjusting Spring
SKU: 49141
67 in stock

312356 - Differential Pinion Seal
SKU: 312356
14 in stock

122056 - O-Ring
SKU: 122056
71 in stock

NCA99180B - Fuel Filter; Valve Stem To Body Gasket
SKU: NCA99180B
2098 in stock

NCA99180A - Fuel Filter; Valve Stem To Body Gasket
SKU: NCA99180A
165 in stock

NCA9155D - Sediment Bowl Assembly
SKU: NCA9155D
133 in stock

NAA55250B - Manifold Elbow
SKU: NAA55250B
8 in stock

MB634 - set of 3) Main (Std Bearing Set
SKU: MB634
13 in stock

FPN6600A - Oil Pump Repair Kit
SKU: FPN6600A
9 in stock

EBU6701A - Packing
SKU: EBU6701A
38 in stock

EBU6507A - Intake Valve
SKU: EBU6507A
467 in stock
