What is a T4 transmission?

What is a T4 transmission?

The T4 / T5 is a top loaded, top shifting transmission with the shifter being located in the rear section of the transmission. It is fully synchronized in all gears. All gears are helically cut.

Is the T90 a good transmission?

The Borg-Warner T90 transmission was one of the most common transmissions found in 1946 to 1971 Jeeps. Because of its long production span, it is nearly legendary. It is a good transmission when well maintained and has often been adapted to V8, V6 and I4 power.

What oil does a T90 transmission take?

You will need a pump to squirt oil up into the case from underneath. It can be filled from the top if the shift tower is off, but removing the shift tower is a lot of work just to add some oil. You can get a plastic pump that screws onto the top of the gear oil jug. 80W90 gear oil is the standard.

How much oil does a t90 transmission take?

Should be between 2 ½ – 3 pints. Fill until it just starts to seep out the fill hole.

How much does a t90 transmission weigh?

Thanks! A: The shipping weight is 64 pounds.

What is gl1 gear oil?

Super S GL-1 Gear Oil SAE 90 is a straight mineral based lubricant that is used in automotive manual transmission and gear applications. GL-1 rated gears oils have no extreme pressure additives and can be considered non-detergent type lubricants.

What is the difference between SAE 90 and 80w90?

SAE 90 is a very large scale. 80W-90 is the low end of the scale, while 85W-90 is the high end of the scale. Both are single grade SAE 90 oils. SAE 75W-90, is more appropriate in most climates where 90 is specified, specially if it is a transmission.

Can you use GL-5 gear oil instead of GL4?

The main difference between GL-4 and GL-5 gear oils is the amount of EP additives. GL-4 is suitable for hypoid gear service when they are under severe service but are without shock loading. GL-5 is suitable for hypoid gear service under severe service and shock loads and not for use in a gearbox.

What is the difference between GL 1 and GL-5 gear oil?

There are 4 levels of performance in classic gear oils and these really follow the development of gear design. GL1 is the lowest level of performance and is only used in vintage transmissions. GL4 is the first serious level of EP performance and is specified for many gearboxes and final drives from mid 1930’s onwards.

Does GL5 replace GL4?

No, the API GL5 rating does not supercede or cover the GL4 rating. It is important to follow the gearbox or diff manufacturers recommendations and use the correct GL rating.

What is the best synthetic gear oil?

• Red Line MT-90 — Best Differential Fluid.
• Lucas Oil 10048 — Great for Synthetic Transmission and Differential.
• Red Line 75W90 — Gear Oil for Faster Shifting.
• Honda 08200-9003 — VTM-4 Differential Fluid.
• Mobil Delvac Syn Gear 75W90 — Fully Synthetic Differential Fluid.
• Royal Purple ROY01300 — High-Quality Synthetic Lube.

Can you mix synthetic gear oil with regular?

Yes. There is no danger mixing synthetic and conventional motor oil. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits.