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In the Beginning
Origami Hull
  Paul's 65ft Origami
Steel vs Aluminum
Propulsion
  Junk Sails
  Background Info
  Diesel Engine
  Controllable Pitch
  Other Propellers
  Diesel/Hybrid/Elec
Pilot House
Canvas Work
Gantry and Hoist
Anchors
Winches
Block & Tackle
Rigging
Keels
Helm
Deck Crane
Sand Blasting
Painting
Electrical
Insulation
Refrigeration
Hatches / Portlights
Tender
Launch
Rules of Thumb
Links

 

Diesel Engine

Our Engine

We now have a Cummins 5.9 reconditioned diesel engine and Allison automatic transmission out of a 1993 Ford B-700, 65 passenger school bus, engine has 25,494 miles on it since replaced.  This engine has the P7100 injection pump meaning that it was build between 1994 - 1998.  It also has an intercooler.  We are not positive about this engine because the serial number plate is missing.  The engine and transmission we are keeping.  The body of the bus is now a storage shed for aluminum various junk and the rest of the bus is off to the scrap yard.  We paid $3,500 along with the same condition that the bus had to make the 100 mile trip to Tulsa. The bus body makes a handy storage shed, the C-channel frames will make a good gangplank and we got $500 back for scrapping the seats and axels. 

The engine is a Recon Cummings or reconditioned, but the serial number plates are missing.  The number etched in the front drivers side of the head is 1270257  with 06 94 below it.

5.9 Cummins Manual

5.9L 12v Specifications

   
Displacement: 359 cubic inches, 5.9 liters
Configuration:
Inline 6 cylinder
Firing Order: 1-5-3-6-2-4
Compression Ratio:
17.0:1
Bore:
4.02 inches
Stroke:
4.72 inches
Injection:
Direct Injection:
Bosch VE injection pump (1989-1993).
Bosch P7100 injection pump (1994-1998).
Aspiration:
Holset turbocharger
Valvetrain:
OHV, 2 valves per cylinder, solid lifter camshaft
Oil Capacity:
11 quarts
Weight:
approx. 975 lbs, 905 lbs dry.
*Horsepower:
160 - 215 HP @ 2,500 RPM
*Torque:
400 - 440 lb-ft @ 1,600 RPM
Governed Speed: 2,700 RPM
Years of Operation: 1989 - 1998

Power Steering Pump: Zahnradfabrik Friedrichshafen Type 76749?4150
 

Allison AT545 Transmission

Serial # 3210627425 Part # 29507181 Model: AT545  93BOT  

Used price is $700 to $800.  Rebuilt is about $1600 + the core.

Oil type DexronŽ III, C4, capacity (excluding external circuit) 20.0 qts (18.9 liters) standard oil pan.

Specifications Allison_AT_454.pdf

Read more: http://wiki.answers.com/Q/Allison_Transmission_model_AT545_specs#ixzz1JVvqvu3V

Torque Converter Explained: http://www.youtube.com/watch?v=EbibZPKw4tk

On a AT545 transmission, there are two wires on the drivers side close to the shift lever for the starter neutral circuit. One wire goes to the starter switch and the other goes to the starter solenoid. On the passenger side there is a pressure switch that has two wires or pins for the back-up light. One wire gets 12v, and the other goes to the reverse lights.

RPM Reduction Ratio in 1st gear is 3.45:1

Engine 2,500 RPM = 725 Shaft RPM
Engine 1,600 RPM = 464 Shaft RPM