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series 60 hydraulic fan rpms
#1

does anyone know the rpm's for the hydraulic radiator fan in the high and low speeds?

thanks

tom

2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

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#2

I know this is an old thread (3-ish years old!), but I don't see an answer and I'm kinda wondering the same thing.
My radiator fan seems to turn slowly even when the coolant is around 190 F and fast idle is set.
I don't know how you select "HIGH" vs "LOW" speed for the fan…I don't see a switch anywhere on my dash.
I also don't know how you would measure the rpm of the fan.
Any advice is appreciated.
I've got a 1999 S60 #510
Thanks,
Jonathan

Jonathan Shetler
1999 Newell 510
Ft Lauderdale, FL
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#3

I don't know the RPM, but I do know that when I was standing behind the engine with the rear engine compartment open it blew my hat off when it came on.

Chappell and Mary
2004 Foretravel 36 foot
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#4

Jonathan if you look at the control block where the hydraulic hoses go through near the fan there is a wire plug that controls the hi/lo speeds. If you disconnect this while the engine is running it should switch the fan to high speed. Other than that I don't think there is a switch anywhere since it's controlled by that relay thermostatically.

Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486 

1993 Newell 39' #337 
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#5

Foliver speaketh the truth

Marc Newman
Formerly Newell 422, 507, 512 701


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#6

Chappell

Just trying to get an idea of velocity

Would that be a Sam Spade hat or a cowboy hat Smile
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#7

i bought an rpm counter to check it but never did....ha

tom

2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

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#8

I’m about to get waste deep in a fan speed issue… I’ll let you know what I find out.
JK

Kristi & Jeff King
Bentonville, Arkansas
#744 2005 45’ Newell Coach 
ZF Suspension/Active Steering Tag Axle
CAT-13 ACERT KCB Engine 525HP 1642 ftlbs Torque Cat Compound Turbocharger 43.5 psi
Allison HD4000MH Transmission with PTO drive.
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