Diesel fired coolant heater Hydronic D5WSC Water Heater Non plug-in preheater.

[oil pan 4]

I have only found pieces of the fuel burning hmmwv coolant heater on ebay, mainly the oil pan that has a port and passages to allow exhaust from the coolant heater to be used to warm the oil pan.

[gumby79]

I found the HMMWV artic heartr installation TM ( technical manual) however it did not show any oil pan components
I'll kep digging the TM speeks of a previous model of heater being removed to facilitate installation.
PDF INSTRUCTIONS Techwebasto.com/documentation/heater/offhighway/thermo-50.html?

[oil pan 4]

Maybe they were take offs.
I saw them on ebay back around 2009 so they could all be long gone by now.

[gumby79]

This may be it ...pg 118 Figure 365. Arctic Kit, Pan Cover and Heater Tube.
Part #A looks to be what I had in mind
The predecessor the previous TM was uninstalling was a SWINGFIRE HEATER a type of pulsejet.
TECHNICAL MANUAL
UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST FOR TRUCK, UTILITY: CARGO/TROOP CARRIER, 1-1/4 TON, 4X4, M998
6.57mb 1020 pages

[teoman]

Look what I found on AliExpress
Phone Gsm Remote control + (5KW 12V) water liquid heater for diesel /gas engine of car truck van bus! Webasto heater water type!-in RV Parts & Accessories from Automobiles & Motorcycles on Aliexpress.com | Alibaba Group

Just saw this. The gsm activation looks interesting. Running it eith used motor oil and waste vegetable oil could be profitable.


The price is a bit steep...

I wonder if there is a diy version?

Or maybe a very small generator that charges your battery, heats your coolant with exhaust and keeps the cabin fan running could be developed. While you are burning fuel might as well get electricity out of it.

[freebeard]

5 kilowatts times 12 volts is 60 Amps. Check my math. My living module has a 20 Amp service panel. ???

Why not get a 2nd hand heat pump out of a late-model Leaf and trigger it with a laser pointer from your living room window (for example).

[oil pan 4]

The metric system uses kw as water heating units where north America uses British thermal unit.
It burns gas or diesel for heat. Uses 12v to power the whole process.
5kw is around 18,000btu/hr.

[gumby79]

Teoman .
Thats a realy good price at $ 550 +58 shiping from mainland china to the states. Theas units run above $1000 new +install kit /controler. This one appers to be new. =better dill than my used 24vdc unit.with a toggle switch at 500+ a 3 amp dc-dc.
As to diy from first post:

Original idea was an instant hot water heater running propane and a 12V pump. Theas heaters are flow activated. So a check valve/isolation solenoid would be needed to prevent heater activation from the engine.

If you have power available at evry spot you stop an electric instant water heater and small pump. Googal has 21 choices under $200 evan a 115v at $89

[gumby79]

Originally Posted by freebeard

5 kilowatts times 12 volts is 60 Amps. Check my math. My living module has a 20 Amp service panel. ???

Why not get a 2nd hand heat pump out of a late-model Leaf and trigger it with a laser pointer from your living room window (for example).

Your math is close you forgot the fuel ...72w + .11 ga of diesel /gas / kerosene = 5kw is correct you see diesel has over 139000btu . 1w = 3.xx btu.
Leaf heater
?How many 50# groop31 batteries aer required at $125 ea??. to heat 4galons of water and a 1000# engine from 40 below 0°fto operating. And start this engine? (Keep in mind that a battery has only about 5-10% of its CCAwhen new at this temperature ... lithium battery is not able to be charged till spring so lead is the only option. . Getting the math wrong is a fatal mistake at 40below.+windchill...

[freebeard]

I ass-umed it was all electric. And I forgot the heat pump would require a boost circuit.

And... it's a space heater. I keep forgetting some engines require water.