Skip to main content
Your Basket Search
0 items
Back to Article Listing

Land Rover Gearboxes

Land Rover Gearbox Identification: Is it a LT77 or R380 Gearbox?

If you’re struggling to identify your gearbox, then you’re not alone. It’s one of the most common questions we get asked by our customers! And that’s why we’ve put together this article and handy guide to help you work out if you have a R380 or an LT77 gearbox.

And don’t worry, because whatever gearbox you have, we have all the parts you need on our website to keep it working smoothly. Our friendly team is on hand to answer any questions and help you find the right products for your vehicle.

Types of Gearbox

Gearbox Type
Serial No Style
 LT76 4 Speed

4 Speed box with integral transfer box found in early Series III 109 V8, 110 V8, 101 FC and Range Rover


5 Speed box fitted from 1983 to approx 1994


17A-74A Prefix

A-H Suffix

 LT85 5 Speed "Santana" box fitted from approx 1988 to 1991
20C & 22C Prefix
 R380 5 Speed box, replaced the LT77 fitted from approx 1994 to 2006

17A-74A Prefix

J on Suffix

 MT82 6 Speed Ford Getrag box introduced with Defender 2007 MY
 PG1  4 Speed used in Freelander & some Rover Car models


LT77/LT77S/R380 Gearbox No. Serial No. Location

You should find the Gearbox Serial Number Stamped on a machined flat near the Drain Plug area, please see the picture below.

The Number Consists Of :

A Prefix e.g. 56A

A six digit numerical

A Suffix Letter. Suffix A to H is an LT77 Transmission, Suffix J onwards is an R380 Transmission.

 You can also tell an LT77 Gearbox from R380 Gearbox by the position of the Reverse Gear on the Gearstick:

If Reverse is next to 1st gear you have an LT77 gearbox (or possibly LT85, see LT85 section).

If Reverse is below 5th you have an R380 transmission.

Gearbox identification number

Landrover gearlever

LT77 & R380 Identification By Gear Lever

Posted In

  • Gearbox
Leave us your comment

You need to login to submit a comment. Please click here to log in or register.

Accepted Cards