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Old 9th December 2009, 13:52   #16
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Quote:
Originally Posted by prmd_cochin View Post
210 bhp sounds good, but for a tractor trailer it aint that great figure to be amused at.
Tractor Trailers move on Torque and not bhp.
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Old 9th December 2009, 14:10   #17
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Originally Posted by pb10gagan View Post
well i guess nitrous meant inline engine.

there is no straight diesel so far manufactured apart from the 2.0 liter boxer diesel by subaru.
Both are one and the same.

It may be diificult for M&M, given their current level of technical expertise, to introduce it in their AXE, but some full size pickups like the Dodge Ram do employ massive I6 diesels.
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Old 9th December 2009, 14:15   #18
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@VINUMON

straight and inline are not same.

but, i will not try to describe the difference here in this thread.
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Old 9th December 2009, 14:16   #19
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Quote:
Originally Posted by quattroa4
whats the need of assuming that this is a straight 6 engine? GTO has clearly mentioned in this first quote , thats its a 6 INLINE ENGINE.
Straight-six engine - Wikipedia, the free encyclopedia
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Old 9th December 2009, 14:24   #20
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why can't M&M give us a chopped down 3 liter and 150 BHP and 220 NM for scorpio and give us more powerful scorpio?.
I would be a good move to improve it's scorpio sales futher.

Last edited by Sudan_NFS : 9th December 2009 at 14:25.
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Old 9th December 2009, 15:47   #21
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Quote:
Originally Posted by Sudan_NFS View Post
why can't M&M give us a chopped down 3 liter and 150 BHP and 220 NM for scorpio and give us more powerful scorpio?.
I would be a good move to improve it's scorpio sales futher.
Chopping an engine is not so easy as an engine needs to be dynamically balanced. The best that they can do is take the cylinder block, take out 2 cylinders and use that as a foundation for next engine platform.
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Old 9th December 2009, 17:03   #22
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I feel they already have a good 2.2 common rail engine for the passenger division.
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Old 9th December 2009, 18:46   #23
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Here is a pic of the engine:

Name:  1260255466A1447.jpg
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Size:  28.3 KB

Pic source : Mahindra to roll out heavy truck in January
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Old 9th December 2009, 20:12   #24
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inspite of the massive torque that this engine produces for a 7.2 ltr the bhp output is rather less.
and moreover i feel this engine will feel "agricultural" .
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Old 9th December 2009, 21:57   #25
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Quote:
Originally Posted by vinaydas View Post
inspite of the massive torque that this engine produces for a 7.2 ltr the bhp output is rather less.
and moreover i feel this engine will feel "agricultural" .
in terms of power output or bhp given the displacement of 7.2 L , the output is slightly less , say by 60 or 70 odd bhp . should have been 260 or 270 bhp . volvos FM7 does produce 290 bhp for roughly the same displacement.
but look at cummins engines. case here is the most popular 1613 turbo for TATA . the engine is cummins 6bt 5.9 tc roughly having displacement of 6 L . but look what it produces a mare 126 bhp and torque of 410 NM.
so by this std, mahindra's 7.2L is way good.
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Old 9th December 2009, 22:03   #26
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Quote:
Originally Posted by pb10gagan View Post
@VINUMON

straight and inline are not same.

but, i will not try to describe the difference here in this thread.
I am socked!!! Please do explain.


As for the 7.2 Liter engines hope they are as strong as the cummins engines, a 6 liter cummins can be taken to 700Bhps with no internal changes, this shows the strength of the engines.
But again it is great to see 24Valve head on the India commercial vehicle. Way to go M&M , Now I hope they price these truck right and not like the Volvos and the mercs. Look and AMW.

Man I really hope M&M get one the Maxxforce engines in the AXE, the platform in really versatile as it can accept amny engine formats. if not the I6 at lest the D4.5 or the D6.0 [V8].Only issue is the weight of these engines.

@quattroa4 , the cummins used by TATA is with 2 valve head. The buses use the D7A enignes 7 liter engine. the FMs use D9B and D13A , 9.4 liters and 12.8liters respectively.

Guys, in commercial vehicles torque is more important than BHP figure, that to torque at low rpm, and more important in the fuel efficiency. Hence the low BHP figures and rpm range.
These should be able to drive for long hours with breaking a sweat.

Last edited by dinar : 9th December 2009 at 22:23.
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Old 9th December 2009, 22:28   #27
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@quattroa4 , the cummins used by TATA is with 2 valve head. that is the same engine I am talking about, also where did you get the data on the volvos, As far as I know the FM come with 2 enigne options D9B [9.4 liter engine] and D13A [12.8liter engine] both Inline 6, and the FH [big dady in india] come with D13A.
DEAR DINAR,
when volvo first launched the FM series in india , there was only one option aveleble which was FM7 . later on they discotinued it . but you can still spot a FM7 -290 on our roads quite often.
now a days they are coming with those engines u r mentioning.
further i m also very shocked bylearning straigth and inline are not the same . explanation required!

Last edited by quattroa4 : 9th December 2009 at 22:34.
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Old 10th December 2009, 08:18   #28
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Quote:
Originally Posted by dinar View Post
I am socked!!! Please do explain.
well guys according to me the definition of these two engines are: -
(Disclaimer: my knowledge is limited and i can always be wrong )

Inline : the normal engine that we are discussing in this thread, can be mounted traversely or longitudinally.

Straight: One in which the cylinders and pistons are horizontally opposed.

there was no such diesel engine until subaru developed one.

they call it the boxer diesel

you can read more about it here. BOXER DIESEL

a truely marvelous engineering thing. its the first diesel engine that is lighter than its petrol counterpart.

and then just watch a few reviews of the new subaru boxer diesel.

all of them say it is as quiet as rev happy as fun to drive as a corresponding petrol engine of 2.0 liter.

Last edited by pb10gagan : 10th December 2009 at 08:23.
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Old 10th December 2009, 08:34   #29
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Mahindra is planning to use this in which one of their vehicles ?
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Old 10th December 2009, 10:01   #30
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Quote:
Originally Posted by pb10gagan View Post
well guys according to me the definition of these two engines are: -
(Disclaimer: my knowledge is limited and i can always be wrong )

Inline : the normal engine that we are discussing in this thread, can be mounted traversely or longitudinally.

Straight: One in which the cylinders and pistons are horizontally opposed.

there was no such diesel engine until subaru developed one.

they call it the boxer diesel

you can read more about it here. BOXER DIESEL

a truely marvelous engineering thing. its the first diesel engine that is lighter than its petrol counterpart.

and then just watch a few reviews of the new subaru boxer diesel.

all of them say it is as quiet as rev happy as fun to drive as a corresponding petrol engine of 2.0 liter.

Dear Gagan, you are talking about the a FLAT engine config, not straight. Straight means inline. Plz go thru' the wiki link provided in one of the earlier posts.

Last edited by VINUMON : 10th December 2009 at 10:04.
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