^AARB — UEC68LS | Zulu Code

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Description

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Did you know

The UEC-LS series, which includes the UEC68LS, is part of J-ENG's long-running UE engine series, a line of two-stroke marine engines that has been in development for over half a century. The UEC-LSH series, a more recent iteration, is characterized by low fuel consumption and has been in service for some time.
The UEC68LS is part of the UEC-LS series, which also includes models like the UEC33LSII, UEC45LSE, UEC50LSE, and UEC60LSE. More recent developments within the UE engine family include the UEC-LSH series (e.g., UEC33LSH, UEC42LSH, UEC50LSH, UEC60LSH) and the UEC-LSJ series (e.g., UEC35LSJ, UEC42LSJ, UEC50LSJ), which offer improved fuel efficiency and environmental performance.
While specific unique selling points for the UEC68LS are not detailed, the broader UE engine series is known for its high economy, reliability, and environmental friendliness. The LSE series, to which the UEC68LS belongs, is designed for high performance and low fuel oil consumption, making it suitable for larger and faster ships.

Model	Cylinder Bore (mm)	Piston Stroke (mm)	Stroke/Bore Ratio	Rated Power (kW)	Engine Speed (rpm)
UEC68LSE	680	2720-2790	4.0-4.1	2800-3350/cyl	85-100
UEC60LSE-Eco-A2	600	2300	3.83	10200-15690 (6-cyl)	72-105
UEC50LSE	500	2000-2050	4.0-4.1	8900 (5-cyl)	108
UEC45LSE-C1	450	1930	4.29	8640 (6-cyl)	128

Sources: cimaccongress.com; j-eng.co.jp; cimac.com; motorship.com; aliyuncs.com; engine.od.ua

Competitive Models

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Spares

Positions 1–12 are the same part on every engine and are safe to quote by code. 13 and 14 vary with cylinder count.

1Cylinder Liner — page under construction
2Piston — page under construction
3Fuel Injector Nozzle — page under construction
4Cylinder Head / Cover — page under construction
5Connecting Rod — page under construction
6Main Bearing — page under construction
7Bottom-End (Crankpin / Con-Rod) Bearing — page under construction
8Fuel Injection Pump — page under construction
9Fuel Injector (Complete) — page under construction
10Exhaust Valve — page under construction
11Inlet Valve — page under construction
12Piston Ring Set — page under construction
13Crankshaft — page under construction
14Camshaft — page under construction

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Code map

^A  A  R  B
 │  │  │  └── Model: UEC68LS
 │  │  └───── Make: Japan Engine Corp (J-ENG)
 │  └──────── Equipment: Main Engine
 └─────────── System: ME, Propulsion & Steering