Rajan Wilcox
The International DT466 engine is a powerful and reliable diesel engine, widely used in medium-duty trucks, buses, and commercial vehicles. While it is known for its efficiency, there are always ways to improve and increase fuel economy. This can be achieved through regular maintenance, using the correct oil, and adopting certain driving behaviours. For example, regular oil and filter changes are essential to ensure clean and fresh oil, reducing internal friction and allowing the engine to operate smoothly. Additionally, maintaining proper tyre pressure and removing unnecessary weight from the vehicle can also improve fuel efficiency.
Characteristics and Values of the International 464 Diesel
| Characteristics | Values |
|---|---|
| Type | Utility tractor |
| Engine | International D-179 diesel |
| rpm | 2400 rpm |
| pto hp | 44 |
| Competitors | David Brown, Ford, Massey Ferguson, and Oliver |
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What You'll Learn
Troubleshooting a leaking injector pump
Once the leakage is confirmed, the next step is to identify the exact location of the leak. The injectors can leak from various places, and the symptoms may vary depending on the leakage site. For example, if the leakage is from the nozzle, you may observe a rich condition, indicated by fault codes like P0172, which means the injector pump receives more fuel and less air than normal. Conversely, a lean condition, denoted by a code like P0171, suggests leakage from the O-rings or the body, resulting in more air and less fuel than standard.
After pinpointing the leak's location, the next phase involves taking corrective actions. If the O-rings are identified as the source of the leak, they should be carefully cut off with a razor blade and replaced with new ones. Additionally, it is crucial to inspect and ensure that all lines are undamaged and correctly connected.
In some cases, the leakage may be addressed by implementing simple solutions. For instance, a copper washer under the fitting can fix a leak from a cylinder port. However, if the engine was starting, it is recommended to have the pump resealed. If the pump is deemed irreparable, upgrading to a more advanced pump, such as the 495-style VE series pump, may be a more cost-effective option, despite requiring modifications to the throttle linkage, kill cable, and fuel return line.
If, after making the necessary repairs and adjustments, the injector pump continues to leak, a rebuild or replacement may be necessary. Before initiating this process, it is crucial to relieve the pressure from the fuel system by allowing it to cool down.
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Upgrading the rpm and pto hp
The International Harvester 464 is a utility tractor that was produced from 1973 to 1978. It offers a choice between a 2.9L 4-cylinder gasoline engine and a 2.9L 3-cylinder diesel engine. The tractor's drawbar power is 38 hp for diesel and 39 hp for gasoline, with tested values at 41.06 hp. The PTO (power take-off) power is 45.74 hp for both fuel types.
- Engine Replacement: The original C-157 gasoline engine can be replaced with the more powerful C-175 engine. This upgrade increases the engine displacement and rpm, resulting in a higher PTO hp output.
- Engine Tuning: By modifying the engine's parameters, such as fuel injection timing, air-fuel ratio, and ignition timing, the rpm and PTO hp can be increased. This can be achieved through the use of an aftermarket engine control unit (ECU) or by adjusting the settings on the stock ECU.
- Performance Parts: Installing performance-enhancing parts can increase the engine's rpm and PTO hp. This includes upgrading the exhaust system, intake manifold, camshaft, and fuel injectors. These parts can improve airflow, fuel delivery, and engine efficiency, resulting in increased power output.
- Supercharging or Turbocharging: Adding a supercharger or turbocharger can significantly increase the engine's power. These devices force more air into the engine, allowing for a greater fuel-air mixture and, consequently, higher rpm and PTO hp.
- Internal Engine Modifications: Advanced modifications to the engine's internal components can be made to increase power. This includes upgrading the pistons, connecting rods, crankshaft, and cylinder head. By improving the engine's ability to handle higher pressures and temperatures, the rpm and PTO hp can be enhanced.
It is important to note that any modifications should be performed by a qualified technician and in accordance with local regulations and safety standards. Additionally, ensuring that the tractor's transmission, drivetrain, and other components are capable of handling the increased power is crucial to maintain the overall reliability and longevity of the machine.
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Replacing the C-157 gasoline engine
The International 464 tractor was manufactured with two engine options: the C-157 gasoline engine or the D-179 diesel engine. To increase the fuel efficiency of your 464 International Diesel, replacing the C-157 gasoline engine with the D-179 diesel engine is a viable option. Here is a step-by-step guide on how to replace the C-157 gasoline engine with the D-179 diesel engine:
Firstly, gather the necessary tools and safety equipment. This includes standard mechanic's tools such as wrenches, sockets, and a jack, as well as protective gear like gloves and eye protection.
Begin by parking the tractor on a level surface and engaging the parking brake to ensure it doesn't move during the replacement process. Then, carefully drain the coolant and engine oil from the C-157 engine to avoid spillage during removal. Now, disconnect the battery and all electrical connections leading to the engine. This includes the starter motor, alternator, and any sensors or wiring harnesses attached to the engine. Label each wire to ease reassembly.
Next, remove the fuel lines and the fuel pump, ensuring you catch any residual fuel with a suitable container. Proceed to detach the exhaust system, including the manifold, from the engine. Now, support the engine with a jack and remove the transmission and bell housing. Carefully lift the engine out of the tractor, taking note of any remaining attachments that need to be disconnected during this process.
With the old engine removed, prepare the new D-179 diesel engine by attaching the bell housing and transmission. Carefully lower the new engine into the tractor, ensuring correct alignment. Secure the engine in place and reattach the exhaust system, including the manifold, and connect the fuel lines and fuel pump.
Reconnect all electrical connections and the battery, ensuring that all labels are removed and wires are correctly attached. Refill the engine oil and coolant, and finally, inspect your work, ensuring that all components are securely connected and no tools or foreign objects are left in the engine bay.
Start the tractor and check for any leaks or unusual noises. Ensure that all gauges operate within the normal range and test the tractor's performance to ensure it meets your expectations.
This process requires mechanical knowledge and skills, and it is important to prioritize safety at all times. If you are unsure about any aspect of the replacement, it is advisable to consult a professional mechanic or seek guidance from a qualified technician.
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Using an inline fuel filter kit
To increase the fuel on a 464 International Diesel, one method you can use is an inline fuel filter kit. This is designed to be implemented into your supply-side fuel lines. Inline fuel filters are responsible for removing large suspended particles in the fuel before it is ingested into the fuel pump.
These filters are required for all fuel pumps with inline filters or pre-filters. If you are experiencing a drop in fuel pressure, replacing this filter could solve the issue. The filters are approved for use with both gasoline and diesel fuel.
You can purchase an inline fuel filter kit that fits the 464 International Diesel, with a size of 3/8". This will also fit several other tractor models, including the John Deere, Case IH, New Holland, Massey Ferguson, Ford, and Oliver.
To install the inline fuel filter kit, you will need to follow the specific instructions provided with the kit. However, here is a general overview of the steps typically involved:
- Locate the fuel lines: Find the supply-side fuel lines where the inline fuel filter needs to be installed.
- Cut the fuel line: Using a tube cutter or a sharp blade, carefully cut the fuel line at the designated point.
- Prepare the inline fuel filter: Follow the kit instructions to assemble the inline fuel filter, ensuring any necessary gaskets or O-rings are properly placed.
- Connect the inline fuel filter: Insert the filter into the fuel line, connecting the two cut ends of the fuel line to the respective sides of the filter. Secure the connections using appropriate clamps or fittings.
- Bleed the fuel system: After installing the inline fuel filter, you will need to bleed the fuel system to remove any air bubbles that may have entered during the installation process. Refer to your vehicle's manual for specific bleeding procedures.
By following these steps and using an inline fuel filter kit, you can effectively increase the fuel flow in your 464 International Diesel while also ensuring that the fuel is properly filtered and free from large particles that could damage the fuel pump.
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Purchasing a fuel injector tube sleeve
A fuel injector tube sleeve compatible with the International 464 diesel engine can be purchased from tractorpartsasap.com for $32.14. This product is also compatible with a wide range of other International engines, including the Hydro 86, 454, 544, 574, 584, 674, 684, 706, 756, 786, 826, 886, 2544, 2706, 2756, 2826, 3088, 3288, and 100.
The product is also compatible with International Construction & Industrial models TD7, TD7 (E), TD8 (E), TD8 (C), 100 (E), 125, 125 (E), 125 (C), 250A, 260A, 270A, 500C, and 4500. It is also compatible with the International Crawler Dozer models TD7, TD7 (E), TD8 (E), TD8 (C), 250A, and 500C.
For those outside the continental US, it is necessary to call 877-530-4430 to make arrangements for delivery.
Additionally, Amazon offers a fuel injector sleeve/cup puller and installer set for Ford Powerstroke engines. This product is designed for 6.0L and 6.4L engines from 2003-2010 and is sold by Diesel Destruction - KFB Inc.
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