Tri Box Propulsion

TriBox is the only single engine, twin screw PATENTED design.

25 Knot cruise with the new Cummins/Mercruiser 5.9 420HP. Sipping just 16 gallons per hour at 25 Kts. A truly silent engine with no smoke.

Don't be fooled by copies. 11 Years of testing lead to a bullet proof design validated by 2500 hours on the original test boat pictured above.

 

31' Silverton - 14,800lbs. 320HP Daytona Diesel, 20*24 cupped 4 blade nibral

Walters V-Drives, Velvet Drive w/2:1 ration produces 21 Knots @ 2600RPM and 13 GPH

220 gallons of fuel and 17 hours running. CERTIFIED AND DOCUMENTED.

Final testing on the updated  420 Diesel validated a cruise of 25 knots burning 16GPH.

A true long range fishing machine

Now available  for up to 715 H.P. and up to 48' vessels @ 30,000Lbs.

CALL NOW FOR A FREE TURNKEY QUOTE OR A PRICE TO INSTALL IT YOURSELF 

(516) 551-6160

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More Installation Pictures

 

Highlights:

bulletRepower cost comparable to gas repowering
bulletMinimal maintenance costs for one engine
bullet Less weight than gas engines
bulletLower center of gravity
bulletGreater reliability
bulletUse your existing transmissions / V drives / struts
bulletBetter docking control
bulletBetter performance, cruise speed, Gallons per hour

Complete Kit:

Includes everything needed for one conversion right down to the last hose and bolt.

bullet3 HD Transfer Gear Boxes
bulletAll Transfer Shafts and Couplings
bulletAll Cooling Hoses and Clamps
bulletBellhousings:  SAE 3 for Engine,  2 for Transmissions

Cost:  $7,995.00F.O.B.

Call today for a free analysis on your vessel.

Tri Box Propulsion
Basic Installation Procedures

 *** A typical installation by a qualified marine repower center takes less than one week ***

Step 1 - Remove Engines From Vessel
Step 2 - Install Port & Starbord TriBox Right Angle Gear Boxes & Bellhousings To Existing transmissions
Step 3 - Install Engine mounts according to our template On Center Stringers
Step 4 - Install Trans Gearbox rear adjustable mounts to stringer
Step 5 - Install Main Tri Box Gearcase & Bellhousing To Engine
Step 6 - Install Engine In Vessel Aligning Gear Box Couplings
Step 7 - Install Driveshafts Into Couplings & Bolt Up
Step 8 - Hook-up Cooling Lines, conduct Seatrial

 

 

           TRIBOX® PROPULSION, INC. 
 PROPRIETARY PATENTED DESIGN TECHNOLOGY

Information Request Form

We have provided a customer inquiry sheet for you to fill out providing us with the necessary information to assist you in determining the proper horsepower and prop size for your vessel.

Type Of Boat
Weight  (MAX)
Length
Beam

Existing Power
***Gear Ratio***
Cruise Speed
RPM
Wide Open Speed
RPM
Prop
Shaft Bronze

Stainless

Name
Title
Company
Address
E-mail
Phone
Referred

 

 

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Copyright © 1999 Tri Box Propulsion Inc.
Last modified: November 10, 2005