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Towing trailers with medium sized vehicles between 3.5 and 7.5 tonnes

In this article reference is made to the maximum authorised mass (MAM) of vehicles and trailers. This should be taken to mean the permissible maximum weight, also known as the gross vehicle weight.

Subcategory C1: Medium sized goods vehicles 3.5 - 7.5 tonnes MAM

Subcategory C1 vehicles may be coupled with a trailer up to 750kgs MAM allowing a combination of up to 8.25 tonnes MAM. But unlike category B, the 750kgs MAM trailer weight limit is an absolute limit.

In order to gain this entitlement category B licence holders have to meet higher medical standards and pass both theory and practical tests for subcategory C1.

Subcategory C1+E: Medium sized goods vehicles 3.5 - 7.5 tonnes MAM plus trailer over 750kgs MAM

Subcategory C1+E allows vehicles to be combined with a trailer over 750kgs MAM provided the combination does not exceed 12 tonnes MAM and the laden weight of the trailer does not exceed the unladen weight of the towing vehicle.

In order to gain this entitlement category B licence holders have to pass further tests - subcategory C1 (theory and practical) followed by C1+E practical. There is no subcategory C1+E theory test. It will not be possible to go directly from category B to subcategory C1+E.

Because EC regulations limit drivers aged under 21 years to driving vehicles or combinations which weigh no more than 7.5 tonnes MAM, drivers under the age of 21 are not allowed to drive subcategory C1+E vehicles up to 12 tonnes MAM. But 18 year old drivers are allowed to take a test for subcategory C1+E which will allow trailers in excess of 750kgs MAM to be towed. Entitlement is limited to a combination weight of 7.5 tonnes MAM until the driver reaches 21 years, at which time the balance of 12 tonnes MAM entitlement automatically becomes effective.

Comments

De Clarke 31/05/2010, 00:45
The Espar manual mentions "periodic maintenance", i.e. cleaning the glow plug and screen. They coyly do not mention how often this must be done :-) So, how often do most users have to do the cleaning routine? With my old drip pot heater it is "too often", about every 2 weeks, and a nasty messy job too. Is it better with an Espar heater?
anthony marshall 13/04/2010, 18:18
I have an eberspacher heater on my 1993 built Parker 275. the heater has not been used for many years and there is no operating manual. Can you advise on where i can get one? Can't see it on Eberspacher's download site. Your help would be much appreciated. Thanks
Anthony Marshall
John Shaw 24/03/2010, 10:39
Hi , I have just bought a boat with the D2 heater which has a Rheostat controller, it also has an external temp unit which hasn't been fitted and I would like to install it.Can it be connected to the rheostat controller?
Paul Baillie 08/03/2010, 17:24
I have just taken delivery of an Eberspacher Airtronic D2 Marine kit 12 Volt 2 Outlet from you and I plan on mounting the main unit in a rear locker and so the exhaust only needs to be about 1 metre long, is OK to shorten it my this much? Is there a minimum length the exhaust pipe needs to be?
keith turner 24/10/2009, 20:30
just bought a fairline targa 37 with diesel engines..would like to fit a decent heater for cabin etc.....what would you recommend and what cost to fit..thanks...keith 07739009029
jim brennan 18/04/2009, 11:34
I have a Bayliner but petrol engined would I have to have a seperate diesel tank fitted then if I go for the eberspacher heating system. Any suggestions?
If you could kindly call 0161 872 4755 and ask for Gary he will be able to let you know the best possible eberspacher solution for you.
graham butcher 16/04/2009, 21:46
Ihave just had installed in my merryfisher 925 the eberspacher d2 with 3 outlets butthe heat that comes from them is minimall any secestions as to why .many thanks. Hi please call 0161 872 4755 and ask for Gary he will know how to reslove your eberspacher issue
Colin Jones 23/03/2009, 11:32
Need to purchase a D 5 LC Control Unit. No. 25-168850 00 02
Can you help?

HI yes thats not a problem D5 LC Control Unit £237.57 please call 0161 872 4755 and ask for Gary or David and we can get that sorted for you no problem
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