sm465 pto hydraulic pump manufacturer

The SM465 is an outstanding, heavy-duty truck transmission designed and used in ½, 3/4 and 1+ ton trucks. The SM465 was made by General Motors from 1968 to 1991. They are found primarily in GM and Chevrolet trucks, Blazers, Suburbans and many other models falling under the 1/4-ton to 1-1/2-ton platforms.

The SM465 has a 1-1/8" diameter, ten spline input shaft that has a stick-out of 6-1/2" from the front face of the transmission. The pilot tip is ~19/32" in diameter. The front bearing retainer flange measures an unusually large 5-1/8" in diameter and the bearing retainer tube is 1-3/8" in diameter. The front bolt pattern is the consistent GM Muncie / Saginaw four-bolt pattern as found on GM bellhousings and transmissions from the 1940"s through the 1990"s.

There are three principal versions of the SM465, each based on the era and configuration of the transmission. There is no known mechanical superiorities to either earlier or later versions.

The earlier era of the SM465 include the 1968 - 1978 transmissions. There were both 2wd and 4wd versions. Internally, they are identical to each with the exception of the transmission mainshaft. The 4wd version of this mainshaft (or "output shaft") has a 10-spline output with a 2-5/8" stickout and an accompanying 4wd adapter housing. The 2wd version has a 35-spline threaded mainshaft compatible with a driveshaft yoke, and accompanying 2wd style tailhousing.

The later era of the SM465 include the 1979 - 1991 transmissions. A minor internal change of the 1st gear bushing and thrust washer occurred, in addition to a change from a shorter 10-spline, 4wd output shaft to a 32-spline 4wd output shaft - coinciding with the change of bolt pattern in the New Process 205 transfer case from a figure "8" input bolt pattern to a round, six-bolt input pattern. This pattern was also found on the 208 and 241 chain-driven transfer cases.

The last years of SM465 featured a direct-drive (4th gear) switch to signal a lean or cruise mode operation to the GM Engine Control Module (ECM). These final versions had an aluminum top cover and a revised input shaft and input bearing combination. They were found in the C/K Series trucks. Suburbans, however, continued to use the earlier SM465 with the cast iron top cover.

This transmission makes an excellent conversion transmission due to its adaptability into most Jeeps. Both 2wd and 4wd versions of the SM465 can be used equally well, and there are no inherent advantages to either one once you have installed our adapter assembly.

A turn-key SM465, professionally built, adapted or OEM style and delivered to your door - ready for a variety of engines and Jeep transfer cases. Read more...

As the reader will conclude, the Chevrolet and General Motors SM465 will marry directly to a GM style bellhousing. This includes Chevy car, Buick, Oldsmobile and Pontiac bellhousings. However, since this transmission has such a large bearing retainer, the car size bellhousing bore is smaller than the transmission"s input bearing retainer. If you need to join this transmission to a GM bellhousing with the 4-11/16” bore, it can be done. The bore must be opened up to 5.000” and the retainer turned down to 4.995” as precision slip-fit. We can perform this service with a very quick turnaround, or you may have it done by a good machine shop local to you. We also sell new bearing retainers turned to the dimension you require.

The SM465 is relatively simple torebuild. Many shadetree mechanics do very outstanding rebuilds if they have access to a press, snap ring pliers and bearing pullers. Many choose to do a full rebuild during the adaptation process, and our instruction guides feature all the details, diagrams, pics and tricks required to do professional level work.

There is a guy around SAC. that uses the PTO on his 465 to run a post hole digger attachment he has on his k10. He has a contract with the local telephone company to dig the holes in the back country and on slopes that their bigger trucks can not get to. That is the 2 things I have personally seen the PTO used for.

I have a "93 NV4500 I"m planning on installing in my 71 1 ton dump project. I just need a 1/1 without the pump on it. The hoist has the pump mounted directly on the piston. I just need the gear so I can make the driveshaft for the pump. Would prefer a used one. Anyone know what Muncie or Chelsea part number is compatible?

I am interested in this, let us know if you find which one it is. I have a big Warn industrial hydraulic winch I"d like to sell if you end up getting the hydraulics set up.

Most of the PTO equipment is standard for most of the truck transmissions that are available. Normally if the truck transmission has the standard SAE port on it like the port (or hole, or PTO plate) on a SM465, NP435, NP420, it will fit. However, you need to make CERTAIN that it will fit (and it has the right gears to fit) before buying. NV4500 PTOs are still available new, so you shouldn"t have any trouble finding them. If I remember correctly, your NV4500 mount should have one bolt on top and bottom, and 2 on each of the two sides, for a total of 6.

You may want to consider converting your system to a PTO and hydraulic pump, because these are a bit more common than just a PTO gear drive - or the driveshafts. Driveshafts are problematic to begin with, and if you are in rough terrain with weeds, it ends up winding a big ball of weeds on the underside of the truck. Most often most guys don"t care about this for the most part - except when the driveshaft is run next to the exhaust, which causes those weed balls to catch fire.

If you decide to run a hydraulic pump, you can use it to operate other hydraulic items on your truck, like the winch suggested earlier. You may be able to use a lift or operate a hydraulic crane, if you have need of that type of thing. I have seen one that operated a fence post driver.

Hydraulic lines are fairly easy to run if you are using metal lines, and these are a lot cheaper than having hydraulic all-rubber lines made up for the entire length. IF you use metal lines for most of the length and just use rubber at the ends, it doesn"t cost an huge amount.

You can also do a search on Dana or Chelsea PTOs. If you do a search on just PTOs, it can come up with a lot of different items (like 23,000+ items when I did a search on just PTO) - it makes it easier to search when you use the names with the PTO.

There are several pumps and gear output SAE mount PTOs available, most of which should fit the NV4500. New and rebuilt PTO outputs are $425 and up, usually. Used are less, but you need to be extra careful when buying these.

Make sure when you install the PTO that you either mount it when the transmission is on it"s side so that the gear lube doesn"t come out, or you need to catch all the gear lube that comes out so you can use it again. The gear lube for the NV4500 is EXPENSIVE. I use the OEM stuff, but there are some aftermarket oils that are cheaper.

Thank you everyone for the suggestions. I"m aware of the special oil. I really need to find just the gear, without the pump. The pump is all built into the hoist system, there isn"t anywhere to hook hydraulic lines up. I have PTO gears off a SM420, SM465, and the one off the Ford truck that the dump box came on, they all bolt to the 4500, but the gear pitch is different. I don"t think the driveshaft will be a problem, this thing isn"t going to see any serious use, just something to haul a little firewood, scrap, mulch etc. thanks everyone again for the help.

PTO is one of the most critical components in the truck hydraulic system. It is accountable for transferring mechanical energy from the hydraulic pump to auxiliary parts for executing given applications. However, a slight issue with the truck PTO hydraulic pump can cause system failure resulting in loss of revenue.

If you"re noticing whining or high-pitched sound – it could be because PTO"s gears are not appropriately merged or being too tight, issues with bearings or hydraulics. However, the clattering sound indicates that gears are too loose or have torsional vibrations.

In general, PTO hydraulic pump"s engagement issues could cause due to blocked hoses or bad fittings, connections, or the solenoid. In addition, mechanical engagement could generate from low air pressure, backlash too tight or improper cable deployment.

Once identifying the symptoms, it needs to operate rightly to enhance the vehicle"s life. Routine and scheduled maintenance is essential to ensure the PTO tool functions trouble-free. In this blog, we"ve outlined the maintenance steps for helping the end-users.

The PTO maintenance is divided primarily into three stages. The initial stage, short-term and system stages. The maintenance process needs adequate planning, operational expertise and thorough system knowledge. So, keep that in mind before the initiation of the process of vehicle maintenance.

The first step should be carried out within 24 to 48 hours of use or after experiencing symptoms of PTO hydraulic system damage. It would be best to analyse drive train sound if it seems louder than usual – it means further investigation may be required.

Further in the process, after cooling down the engine, look for potential damage such as leaks. These leaks could impact the transmission fluid level and affect the system performance over time. The PTOs must be checked within a week of installation for making sure that its mounting bolts have been torqued appropriately.

After the initial check-up, the truck operator needs to think about the next maintenance schedule based on the duty cycle. Usually, the duty cycles are divided into normal or severe duties. When the PTO operates five minutes extra out of every 15 minutes, it is defined as a severe duty. Lower than that compared as a normal duty. You can choose which duty cycle is ideal for long-term maintenance based on PTO performance.

The more complex a truck PTO hydraulic pump works, the more it needs to be inspected. Based on previous maintenance, the normal duty cycle inspects which items need replacement, checks the fluid level, or verifies that the equipment is tight and secure.

Long-term PTO maintenance is essential, suggested by vehicle manufacturers. It can help improve the performance of the hydraulic pump. Check fasteners are torqued rightly, and no fluid is leaking around the seal. If you find any leak source, seals need replacement.

Keeping the vehicle in optimal condition and PTO functioning requires periodic maintenance. When regular maintenance is carried out on the vehicle chassis (frame), it will be good to inspect the PTO of the hydraulic system.

During a weekly or monthly maintenance schedule, along with other components, PTO is checked for cleaned shaft proper lubrication. The application of lube simplifies parts engagement and disengagement issues. Applying an anti-seize grease helps smoothen parts movement in high-temperature cases. Also, make sure to clean off the grease fitting once the lube is applied.

Visual Inspection – To make the equipment run smoothly, the PTO inspection needs to be performed weekly or monthly. The inspections include checking for leaks, wear or tear, making sure the hose and wire are not rubbing against the transmission. Through visual inspections, you can prevent many issues immediately.

Physical Inspection –​When it comes to checking the condition of PTO – physical inspection is equally important. It is suggested to perform after 100 hours of use. If you have removed the PTO from the hydraulic system for inspection, check the wear patterns and bearings. The periodic physical inspection could reduce the amount of downtime and expenses.

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We offer a complete range of PTO hydraulic system parts to match your needs. At Surya Trucks, you can enjoy cost benefits and get crucial components like PTO wet kit for sale.

Beiler Hydraulics has been stocking Chelsea PTO"s for over 20 years. Our sales team can help supply the correct PTO for your application. Some of the applications that use PTOs include Dump Trucks, Bulk Feed Trucks, Roll-off Trucks, Blower Trucks, Vac Trucks, Emergency Vehicles, Lime Trucks, Roll Back Trucks, and Tow Trucks. If you are setting up a new system, or you just want to replace your existing PTO, Beiler Hydraulics" knowledgeable customer service can help.

When space is a problem, Chelsea offers PTO Geared Adapters to help clear an obstacle, or change the output shaft rotation. With adapters ranging from 30° to 45° depending on the PTO, these adapters are a simple solution. Chelsea has PTOs with manual shift, air shift, and Hot shift (clutch shift). Shaft options include SAE BB 2 or 4 bolt mounts, 1-15T, and 7/8-13T. You also have the options between a non grease-able or grease-able shaft. Searching for parts for your PTO can be a hassle, but Beiler Hydraulics has you covered. We stock 6 and 8 bolt mounting gaskets with varying thicknesses, replacement air shift kits, gears, housings, etc. If time is something you are short on Beiler Hydraulics offers in house PTO repairs. You can send in or drop off at your convenience.

Beiler Hydraulics offers other components needed to offer complete wet-line systems. These parts include Permco pumps and dump pumps, American Mobile Tanks, Lodar Remote systems, and cab controls. Whether you are an owner operator fixing and replacing, or a dump body manufacturer looking for a PTO, Beiler Hydraulics is ready for the task. Our knowledgeable sales team is here to help provide you with a superior product to meet your specific application. Please contact us today. http://www.beilerhydraulics.com/contact