Kolbenschmidt Main Bearings 77635610 0.25 mm Perkins 4.236 T4.236 81558A Massey JCB
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Main bearing set from Kolbenschmidt (77 635 610) in undersize 0.254 mm (1st repair stage) for the 5 bearing positions of the Perkins 4.236 crankshaft.
Genuine part – not aftermarket · Photos show exactly this part · New old stock (NOS), unused
Condition of this part
New old stock (NOS), unused, in the original Kolbenschmidt box and in foil. Set for 5 bearing positions (10 half shells). According to the photos, no thrust washers are included.
Function and location
The main bearings support the crankshaft in the engine block; oil is supplied through bores and grooves. The undersize 0.254 mm is intended for reground main journals.
Installation location: In the 5 main bearing saddles in the crankcase and in the main bearing caps.
Fits the following engines and machines
For Perkins A4.212 and A4.248, please compare the number of the existing bearing set before buying.
| Model series | Models |
|---|---|
| Perkins | A4.236, AT4.236, 1004.4, 1004.4T, 1004.40 |
| Maxion-Perkins | 4.236, T4.236, 4.248, P4000 / P4000T, S4 / S4T |
| Massey Ferguson (Brazil) | 275, 290, 5275 |
| JCB | 214E |
Part numbers: Kolbenschmidt 77 635 610 / 77635610 · Perkins 81558A · Glyco H 1037/5 0.254 / H1037/5 0.254 · Federal 6292M · AE AEM5212 · Vandervell VPM 91194A / VPM91194A · Mahle 043 HS 18416 210 / 043HS18416210 · Metal Leve M57285 · MWM 423669A · JCB 02/103439
⚠ Important: compare the part number before buying
- Undersize: 0.254 mm is the 1st repair stage. The standard size is KS 77 635 600 (Perkins 81558), 0.508 mm is Perkins 81558B, 0.762 mm is Perkins 81558C.
- Connecting rod bearings: Connecting rod bearings are a different part and not included in this main bearing set.
Does this part fit your car? Send us the VIN (chassis number) and model year – we'll check it for free: +49 179 8991069 (Mon–Fri 8 am–6 pm) or via our contact form.
FAQ
What dimensions apply to the standard size?
According to Mahle data for the standard size: journal diameter 76.162–76.175 mm, width approx. 36.5 mm. This set is the undersize 0.254 mm (label: HL 77 635 610 0,254 mm, SUITABLE FOR Maxion-Perkins 4.236).
What is not included in the set?
According to the photos, no thrust washers are included. Connecting rod bearings are a different part and not included in this main bearing set.
Where are the main bearings installed?
In the 5 main bearing saddles in the crankcase and in the main bearing caps.
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