The 3801743 NT855 cylinder block is heavy‑duty cast‑iron bare housing for Cummins NT855, NTA855, NH855 14‑liter six‑cylinder diesel engine. This bare block acts as the main base for crankshaft, piston assemblies, cylinder head and all internal engine components. Each 3801743 cylinder block adopts heavy‑duty casting process, finished by precision CNC machining and 100% hydraulic pressure‑leak testing. Widely used for mining equipment, heavy construction machinery and generator‑set engine rebuild. Perfect replacement solution when original block cracks, cylinder bore wears or water‑jacket leakage appears
we are producing following cylinder block as blow:
CUMMINS
3081283/3801743/4914613
CYLINDER BLOCK
NT855
CUMMINS
3811921/3088303/3044515
CYLINDER BLOCK
K19
CUMMINS
3804663
CYLINDER BLOCK
QSK19
CUMMINS
4060883/3177638
CYLINDER BLOCK
K38
CUMMINS
3178803
CYLINDER BLOCK
K50
CUMMINS
4060394
CYLINDER BLOCK
LTA10
CUMMINS
AR45641
CYLINDER BLOCK
VTA28
CUMMINS
3803718
CYLINDER BLOCK
NTA14
CUMMINS
6209-21-1200
CYLINDER BLOCK
NH220
CUMMINS
4900275
CYLINDER BLOCK
A2300
CUMMINS
4095491
CYLINDER BLOCK
QSK23
Heavy‑duty high‑strength grey cast iron casting, thick‑wall reinforced rib structure, anti‑crack & anti‑deformation for mining and heavy‑load working environment
Precision CNC machining for cylinder bores, deck surfaces, oil galleries and cooling water passages, direct drop‑in fit without extra machining
100% hydraulic pressure leakage test before shipment, zero‑leak standard for water jacket and oil galleries
Strictly follows Cummins NT855 / NTA855 original dimensional standard, perfectly matches original crankshaft, piston kit, cylinder head, gaskets and main bearings
Premium aftermarket quality with ISO‑9001 inspection, stable performance for heavy‑duty repair shops, machinery dealers and spare‑part wholesalers
Fits NT855, NTA855, NH855 mechanical engine platforms for construction, mining and stationary power units
Remarks: 1).The Cylinder block we produced are suitable for the following Cummins models: Engine Series: A2300, B3.3, QSB3.3, 4BT3.9, 6BT5.9, 6CT8.3, L8.9, L9.3, ISBE, ISDE, ISC8.3, ISL9, QSL9, ISM11, QSM11, L10, NTA855, N14, KTA19, KTA38, KTA50, QSK45, QSK60, QST30, QSX15, ISX15, VTA28, NH220, ISF2.8, IS3.8, QSF3.8, ISG11, ISG12. 2).If your need item can’t find in this list, please contact with us directly to check more information. There is many photos and parts number can’t full show in this website. 3). We slso can do OEM and ODM ,If you have other brand require, we also can offer . 4). For any future information need or question require, please contact us to know more.