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Related Medium and Heavy Trucks Questions
I just purchased 2019 Freightliner with the M6 350hp cummins
I just purchased 2019 Freightliner with the M6 350hp cummins and an Allison 6 speed auto trans. I pull a 21k# ***** … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2005 International 4300... Allison Transmission,,, when
2005 International 4300... Allison Transmission,,, when driving the transmission will shift down a gear and stay there. eventually it will start upshifting fine again. but if you pull over as soon as … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2005 Freightliner M2 with Mercedes engine and Allison 6
2005 Freightliner M2 with Mercedes engine and Allison 6 speed transmission. After truck gets hot get a banging noise from under seat and transmission stays in 5th gear. Getting several codes. 130 151 … read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
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Working on a 2007 international with an Allison 5speen
working on a 2007 international with an Allison 5speen transmission I have no spedo and it is stuck in gear 4th or 5th not sure… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
490 satisfied customers
Have 2013 106 freightliner tow truck with 6.7 cummins and a
have 2013 106 freightliner tow truck with 6.7 cummins and a allison 6 speed automatic trans. my question is how come the motor is shifting gears at 2200 rpm when up shifting but when it down shifts it… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have the same code on a2013 peterbilt. We changed the oil
I have the same code on a2013 peterbilt. We changed the oil 20,000 miles ago. Still looks good, does not smell burnt. Oil level looks good. We can not clear code. What else can we look at?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
i am head tech at fleet serv ice shop in atl ga and one of
i am head tech at fleet serv ice shop in atl ga and one of my techs diag'd a 2005 f 650 w/bad trans , took his word, he installed new trans, but new trans is still acting as old trans was , the check … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
3,952 satisfied customers
I have an 07 Freightliner M2 with Allison Trans. Recently the
I have an 07 Freightliner M2 with Allison Trans. Recently the transmission has been shifting hard periodically. Threw codes for torque converter. Replaced torque convertor, repaired codes, hard shifts… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
2007 navistar 4300 dt466 that wont shift above first
I have a 2007 navistar 4300 dt466 that wont shift above first gear.... after being towed last week. I found a wire harness at the right rear of the transmission disconnected from a junction above it. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
GMC 4500: 2003 GMC 4500 Dura Max Auto Trans runs great
2003 GMC 4500 Dura Max Auto Trans runs great until 4th gear falls back to 2000 rpms and will not gain rpms normal shifting in low rpms it will shift fine to 4th will accelerate to 2000 rpms lots of po… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,312 satisfied customers
Have a code 1482 11 SPN. Engine #1 - Source Address of Controlling
Have a code 1482 11 SPN. Engine #1 - Source Address of Controlling Device for Transmission Control. Trans is in limp in. need help to diagnose this problem.… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
Am thinking of retro fitting an Allison 4750 in place of 18
Am thinking of retro fitting an Allison 4750 in place of 18 speed. Who or where can you find tech info on which torque converters to use. Most factory specs list rpm range as 1700-2100. I would like i… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
625 satisfied customers
Transmissions md3060: I have an international 4700 with a 444e
I have an international 4700 with a 444e and i think an md3060 trans. drives fine shift points are good road speed is 68 max gov. Its is a mini trash hauler. on a steep incline if you dont get to 15mp… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
Hi. I have a 1999 International 2554, 4x2 dump with an Allison
Hi. I have a 1999 International 2554, 4x2 dump with an Allison push button trans. What type is it and it is not shifting into 2nd. The indicatior goes to an "X" and starts flashing and then the trans … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Trying to buy a used 26,000 gvw truck to put dump body and
Trying to buy a used 26,000 gvw truck to put dump body and plow. What automatic transmissions would work? I was told to stay away from 2000hs series, would rds work? Thanks Rick… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have an Allison Mt653 In an international with a dt466. When
I have an Allison Mt653 In an international with a dt466. When cold, the transmission works as it should. When it gets hot it will slip from 4th to 5th gear. It will also slip reverse. If I come to a … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
what allison trans do i need to go behind a 550 cat in a new
what allison trans do i need to go behind a 550 cat in a new kit to go 65 mph @1450 rpm also 2050 ft # XXXXX torque… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 330hp cat diesel in my motorhome. In the mountains
I have a 330hp cat diesel in my motorhome. In the mountains of Colorado coming down mountains when I applied my exhaust brake it would make the engine r.p.m."s go to 2800 when the working r.p.m.'s is … read more
Robert
Robert
RV Tech Support
Vocational, Technical or Trade Scho
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

3,952 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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