Power assembly
Liner, piston, rings, rod and head supplied as one unit.
| MLW / Alco 251 251B, 251C, 251E and later |
Home By locomotive MLW and Alco 251 engine
Parts for MLW and Alco 251 engine
- About
- Four-stroke engine with a 9 inch bore and 10.5 inch stroke, built as an inline 6 and as a V8, V12, V16 and V18. It powers most MLW road units built in Montreal.
Diesel engine
Cylinder liner
Liners and liner seal sets.
| MLW / Alco 251 251B, 251C, 251E and later |
Piston and ring set
Pistons, carriers, pins and ring sets.
| MLW / Alco 251 251B, 251C, 251E and later |
Connecting rod and bearings
Rods, rod baskets and rod bearings.
| MLW / Alco 251 251B, 251C, 251E and later |
Cylinder head
New and remanufactured heads.
| MLW / Alco 251 251B, 251C, 251E and later |
Valves, guides and seats
Exhaust and intake valves, guides, seat inserts, springs.
| MLW / Alco 251 251B, 251C, 251E and later |
Rocker arms, bridges and cam followers
Rocker arms, valve bridges, lash adjusters, cam followers.
| MLW / Alco 251 251B, 251C, 251E and later |
Main and thrust bearings
Main bearing shells and thrust washers.
| MLW / Alco 251 251B, 251C, 251E and later |
Crankshaft
New, reground or used serviceable crankshafts.
| MLW / Alco 251 251B, 251C, 251E and later |
Camshaft segments and bearings
Camshaft segments, bearings and thrust parts.
| MLW / Alco 251 251B, 251C, 251E and later |
Gear train and accessory drive
Idler, crank and accessory drive gears.
| MLW / Alco 251 251B, 251C, 251E and later |
Vibration damper
Crankshaft dampers.
| MLW / Alco 251 251B, 251C, 251E and later |
Turbocharger
Complete turbochargers and rebuild parts.
| MLW / Alco 251 251B, 251C, 251E and later |
Aftercooler and intercooler
Aftercooler cores and housings.
| MLW / Alco 251 251B, 251C, 251E and later |
Engine governor
Hydraulic and electronic speed governors, including Woodward PG types.
| MLW / Alco 251 251B, 251C, 251E and later |
Overspeed trip and shutdown devices
Overspeed trips, shutdown solenoids, emergency fuel cutoffs.
| MLW / Alco 251 251B, 251C, 251E and later |
Crankcase and low water detectors
Crankcase pressure detectors, low water and low oil protection.
| MLW / Alco 251 251B, 251C, 251E and later |
Overhaul gasket kit
In-frame and major overhaul gasket kits.
| MLW / Alco 251 251B, 251C, 251E and later |
Head gaskets, seals and O-rings
Head gaskets, seal rings, O-rings and crabs.
| MLW / Alco 251 251B, 251C, 251E and later |
Fuel
Fuel injection pump
Jerk pumps and injection pumps.
| MLW / Alco 251 251B, 251C, 251E and later |
Injection nozzle and holder
Nozzles, holders and high pressure lines.
| MLW / Alco 251 251B, 251C, 251E and later |
Fuel jumper lines and fittings
Jumper lines, manifolds and fittings.
| MLW / Alco 251 251B, 251C, 251E and later |
Cooling and oil
Water pump
Engine water pumps and rebuild kits.
| MLW / Alco 251 251B, 251C, 251E and later |
Lube oil pump
Main and scavenging oil pumps.
| MLW / Alco 251 251B, 251C, 251E and later |
Lube oil cooler
Oil coolers and cooler cores.
| MLW / Alco 251 251B, 251C, 251E and later |
Lube oil strainer and filter housing
Strainers, filter tanks and housings.
| MLW / Alco 251 251B, 251C, 251E and later |
Pressure relief and regulating valves
Oil pressure relief and regulating valves.
| MLW / Alco 251 251B, 251C, 251E and later |