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Old 03-02-2014, 03:32 AM
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Max you guys have towed?

Recently purchased a new diesel summit to replace my daily and hopefully my diesel truck that I keep around for pulling my racecar. Total I will be at 6500 trailer, all my stuff and car (in the trailer that is). Hoe much have you guys pulled so far and how did the transmission temp do?
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Old 03-02-2014, 11:44 AM
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Re: Max you guys have towed?

Here's a brief recap of my first towing experience with my Overland 4x4 CRD:

- towed a 25' Airstream from Las Vegas to Pasadena and back.
--GAWR Front Actual 3140 lb
--GAWR Rear Actual 3700 lb
--Trailer 6600 lb
--Combined trailer/vehicle 13440 lb
--Average OAT 60 F
--Propride 3 Hitch and Direclink brake controller

- EVIC fuel milage averaged 19.5 mpg to Pasadena and 18.4 on return trip
- Engine performance
--EVIC oil temp climbed to 257 on long uphill pulls
--Coolant temp climbed to on notch below red area on gauge
--Slowing from 55 to 50 mph stabilized engine temps
--Temps quickly recovered on level or downhill grades
--Engine torque and power were not an issue
- Transmission performance
--EVIC transmission temp climbed to 203 once, but mostly stayed at 195
--Gear shifts were smooth and appropriate for the load (ECO mode OFF)

The most challenging grade was 12 miles of 6% over Cajon pass (4000 ft).
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Old 03-02-2014, 03:54 PM
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Re: Max you guys have towed?

Quote:
Originally Posted by talltale View Post
Here's a brief recap of my first towing experience with my Overland 4x4 CRD:

- towed a 25' Airstream from Las Vegas to Pasadena and back.
--GAWR Front Actual 3140 lb
--GAWR Rear Actual 3700 lb
--Trailer 6600 lb
--Combined trailer/vehicle 13440 lb
--Average OAT 60 F
--Propride 3 Hitch and Direclink brake controller

- EVIC fuel milage averaged 19.5 mpg to Pasadena and 18.4 on return trip
- Engine performance
--EVIC oil temp climbed to 257 on long uphill pulls
--Coolant temp climbed to on notch below red area on gauge
--Slowing from 55 to 50 mph stabilized engine temps
--Temps quickly recovered on level or downhill grades
--Engine torque and power were not an issue
- Transmission performance
--EVIC transmission temp climbed to 203 once, but mostly stayed at 195
--Gear shifts were smooth and appropriate for the load (ECO mode OFF)

The most challenging grade was 12 miles of 6% over Cajon pass (4000 ft).

Amazing stats, when I do my big tow up to Thill I will record data in this fashion for the community, thanks. My big fear is going to be going up to thunderhill through the desert in 110* temps, it sounds like maybe I might want to invest in another oil cooler/radiator for the engine and not the transmission.

What is this acronym CDR you used?

Do you know how much tongue weight your airstream was exerting on the jeep? Is that propride 3 a weight distributing hitch or just anti sway?
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Old 03-02-2014, 05:28 PM
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The Propride hitch is a version of the Hensley Arrow hitch. It is an ingenious design that eliminates sway without friction by using a 4 point hinge that projects a virtual pivot point near the center of the vehicle, much like a 5th wheel system. All other systems use friction or a friction cam which masks the effects of sway but don't eliminate it. The Propride and Hensley both distribute weight as well.
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Old 03-02-2014, 06:28 PM
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Re: Max you guys have towed?

A passing grade for sure. I haven't towed as my tow is a bass boat and the season hasn't kicked off yet. Its a light load, the works weighs out to 4k so based on this and other reports I'm expecting a solid tow experience. Thanks.
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Old 03-03-2014, 05:00 PM
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Re: Max you guys have towed?

Quote:
Originally Posted by ExcursionDiesel View Post
The Propride hitch is a version of the Hensley Arrow hitch. It is an ingenious design that eliminates sway without friction by using a 4 point hinge that projects a virtual pivot point near the center of the vehicle, much like a 5th wheel system. All other systems use friction or a friction cam which masks the effects of sway but don't eliminate it. The Propride and Hensley both distribute weight as well.
I would put it a different way: other systems use friction to counteract and dissipate sway, not just mask it. But yes, the ProPride and Hensley are in a league of their own. The guy who designed the Hensley went off on his own and started a new company with his newer design, the ProPride.
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