DT-75 is a caterpillar tractor produced in the Soviet Union and post-Soviet times. The DT 75 tractor was produced by the Volgograd Tractor Plant from 1962 to 2009, for all the time more than 2.7 million copies were produced – a record result for equipment of this kind. The tractor has gained popularity due to its reliability, unpretentiousness and affordability. The main purpose of the DT 75 tracked tractor is agricultural work, but its successful design allows it to cope with other tasks.

Bearing installation locationBearing designationSizeBearing typeQuantity
Power take-off shaft (driven gear shaft, rear support)6Н-2309 КМ 45x100x25Radial roller with short cylindrical rollers without flanges on the outer ring1
Power take-off shaft (driven gear shaft, front support)40630×90×23Single-row radial ball1
Power take-off shaft (driven gear)7000114 К70x110x13Single-row radial ball1
Power take-off shaft (driving gear, rear support)6Н-2213 КМ65x120x23Radial roller with short cylindrical rollers without flanges on the outer ring1
Power take-off shaft (driving gear, front support)5021365x120x23Single row radial ball bearing with a groove on the outer ring1
Engine (crankshaft of starting engine PD-10M and PD-10U, middle and rear supports)220630x62x16Radial roller with short cylindrical rollers without flanges on the outer ring2
Engine (crankshaft of starting engine, front main journal)20525х52х15Single-row radial ball1
Engine (governor shaft)20010×30×9Single-row radial ball1
Engine (governor shaft)820215×32×12Single thrust ball1
Engine (governor shaft)4620317x40x12Single-row angular contact ball bearing one-piece with a bevel on the outer ring with a contact angle α = 26º1
Motor (gear shaft)30840x90x23Single-row radial ball1
Engine (regulator roller of starting motor)20215×35×11Single-row radial ball2
Engine (fuel pump camshaft)6020100×150×24 Single row angular contact ball bearing with removable outer ring2
Engine (flywheel, clutch front bearing)120840×80×18Ball radial spherical double row with a cylindrical bore of the inner ring1
Engine (cut-off clutch)4611890×140×24Single-row angular contact ball bearing one-piece with a bevel on the outer ring with a contact angle α = 26º1
Engine (clutch)31260×130×31Single-row radial ball1
Engine (water pump)30420х52х15Single-row radial ball1
Engine (water pump)30525×62×17Single-row radial ball2
Engine (hydraulic pump drive)204 20×47×14Single-row radial ball1
Engine (hydraulic pump drive)20735×72×17Single-row radial ball1
Engine (idler gear of starting motor)20215×35×11Single-row radial ball2
Engine (starting motor regulator)30525×62×17Single-row radial ball2
Engine (starting motor regulator)810630x47x11Single thrust ball1
Engine (starting motor regulator)8109 45х65х14Single thrust ball1
Motor (magneto drive gear)20215×35×11Single-row radial ball2
Final drive (drive shaft)41365×160×37Single-row radial ball2
Final drive (drive shaft)32318 КМ90×190×43Radial roller with short cylindrical rollers without flanges on the inner ring2
Final drive (driving gear)32315 КМ75×160×37Radial roller with short cylindrical rollers without flanges on the inner ring2
Final drive (driving gear)62314 К170×150×51Radial roller with short cylindrical rollers with a single flange inner ring and shaped thrust washer2
Gearbox (secondary shaft, front support)70040945x120x29Single-row radial ball1
Gearbox (secondary shaft, rear support)2612 КМ60x130x46Radial roller with short cylindrical rollers without flanges on the outer ring1
Gearbox (additional shaft, rear support)32605 К25x62x24Radial roller with short cylindrical rollers without flanges on the inner ring2
Gearbox (additional shaft, front support)40735×100×25Single-row radial ball1
Gearbox (reverse shaft, rear support)32605 К25x62x24Radial roller with short cylindrical rollers without flanges on the inner ring2
Gearbox (reverse shaft, front support)102407 М35x100x25Radial roller with short cylindrical rollers with flangeless outer ring and two lock washers1
Gearbox (primary shaft, rear support)31155×120×29Single-row radial ball1
Gearbox (primary shaft, front support)32213 КМ65×120×23Radial roller with short cylindrical rollers without flanges on the inner ring1
Rear axle (crown gear of the planetary mechanism)226130×230×40Single-row radial ball2
Guide wheel731155×120×31.5 Single row tapered roller2
Guide wheel7513 К65x120x32,75Single row tapered roller2
Suspension (suspension support roller axle)7909 М47x100x42,75Single row tapered roller with increased load capacity16
Support roller40735×100×25Single-row radial ball4
Support roller32309 КМ45×100×25Radial roller with short cylindrical rollers without flanges on the inner ring4
Torque booster (driving shaft, rear support)292211 К166,5x100x21Radial roller with short cylindrical rollers without inner ring1
Torque booster (driving shaft, front support)31155×120×29Single-row radial ball1
Torque booster (carrier, rear support)1032924 К1120x165x22Radial roller with short cylindrical rollers without flanges on the inner ring1
Torque booster (carrier, front support)7Н-60120100x150x24Single row radial ball bearing with one shielding washer1
Torque booster (axle of the gear block)402410428х42х22Single row radial needle roller without inner ring and without cage6
Torque booster (clutch drop)958821785x125x24,5Single-row ball thrust in the casing1
Torque booster (driven gear, rear support)11470x110x20Single-row radial ball1
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