MAN B&W L28-32H Cylinder Liner
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Engine Series: MAN B&W L28/32H four-stroke, medium-speed GenSet diesel engine for marine propulsion and auxiliary power.​
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Bore Size: 280 mm nominal (new: 280.03-280.08 mm; max wear limit: 280.60 mm).
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Stroke Length: 320 mm, supporting 720/750 rpm speeds and piston speeds up to 10 m/s.​
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Cylinder Configurations: Inline 5L28/32H to 9L28/32H; V-versions with collar groove for orientation.​
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Power Output: Up to 220 kW per cylinder (total up to 1,980 kW for 9-cylinder).​
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Material & Construction: Fine-grained pearlite cast iron, centrifugally cast with water jacket, O-rings, and flame ring for sealing.​
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Part Number Reference: OEM codes like 51201-08 (liner), 51306-14/0
MAK M20 Cylinder Liner | OEM Replacement for 6M20, 8M20, 9M20 Engines
| Detail | Specification |
|---|---|
| Part Name | Cylinder Liner |
| Engine Make | MaK (Caterpillar Marine Power Systems) |
| Engine Model | M20 / M20C |
| Compatible Engine Types | MAK 6M20, MAK 8M20, MAK 9M20 |
| Engine Design | 4-Stroke, Inline, Long-Stroke Marine Diesel |
| Year Introduced | 1990s |
| Condition | New / OEM-Grade Replacement |
Wartsila W26 Cylinder Liner
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Engine Series: Wärtsilä 26 (4-stroke, medium-speed diesel engines for marine propulsion and power generation)​
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Bore Size: 260 mm nominal cylinder bore (precisely machined for optimal piston fit and compression)​
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Stroke Length:Â 320 mm, enabling piston speeds of 9.6-10.7 m/s at 900-1000 rpm
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Cylinder Configurations:Â Inline variants (6L26, 8L26, 9L26) and V-configurations (12V26, 16V26); power per cylinder 910 kW at 1000 rpm
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Part Number Reference:Â Common OEM codes like 1050-001, 262601302ZT122, or 100325 equivalents for spares
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Material & Construction: High-strength centrifugally cast grey iron with flanged top, tangential cooling bores, and integrated anti-polishing ring​
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Wear Limits & Maintenance:Â Ovality max 0.25 mm; inspect at 12,000-24,000 hours; compatible with modular block for quick replacement
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Fuel & Compliance: Optimized for HFO (730 cSt/50°C), MDO; SFOC 186-192 g/kWh; meets IMO NOx Tier II standards
Allen Bradley 1768-PB3 Ser A CompactLogix PLC Power Supply
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Catalog Number: 1768-PB3​
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Series: A (original revision for CompactLogix 1768 systems)​
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Type:Â CompactLogix Power Supply Module, DC input with dual outputs
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Mounting: DIN rail or panel mount, installs as leftmost module in 1768 chassis​
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Dimensions (H x W x D): 131.25 x 132.75 x 105.50 mm​
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Weight: 1.01 kg (2.22 lb)​
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Compatibility:Â Requires CompactLogix controller in same bank; supports up to 30 I/O modules
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Manufacturer:Â Allen-Bradley by Rockwell Automation
Daihatsu DC17 Crankshaft | Genuine Marine Engine Parts
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Model Series: DC17 crankshaft, primarily for Daihatsu 5DC-17 (5-cylinder) and 6DC-17 (6-cylinder) inline 4-stroke diesel engines.
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Engine Specs: Bore 170 mm, stroke 270 mm; rated speed 900-1000 RPM, clockwise rotation from flywheel end.
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Crankshaft Dimensions: Standard crankpin diameter 145 mm, bearing width 64 mm; main journals with thin split-type bearings.
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Material & Construction: Forged steel construction, hardness ~240 HB; one-piece design with thrust bearing at rear main journal.
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Compatibility: Fits DC17A variants; undersize options (0.5-3.0 mm) for reconditioning via grinding.
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Power Output: Supports engines up to ~300 kW (5DC-17), ideal for auxiliary marine generators.
