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Old 06-01-2007, 11:56 AM   #1 (permalink)
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HUMMER H3 Full Specs

2006 H3 TECHNICAL SPECIFICATIONS
ENGINE
TYPE: Vortec 3500 3.5L
HORSEPOWER: 220 hp @5600 rpm (SAE)
TORQUE: 225lb.- ft.@2800 rpm
GOVERNOR TYPE: Multi-point sequential fuel injection
DISPLACEMENT: 211 cu.in.
BORE AND STROKE: 3.66 x 4.00
COMPRESSION RATIO: 10.0:1


CRAWL RATIO:
BASE VEHICLE: 45.0:1
WITH OPTIONAL OFF-ROAD SUSPENSION PACKAGE: 68.9:1


FUEL CONSUMPTION:*
MANUAL TRANSMISSION: 16 mpg city / 20 mpg highway
AUTOMATIC TRANSMISSION: 16 mpg city / 19 mpg highway


TRANSMISSION
Standard 5-speed manual - Aisin AR5
Optional Hydra-Matic 4L60-E 4-speed automatic 4L60E


TRANSFER CASE
Borg Warner 4493/4494
BASE 2.64:1
ADVENTURE 4.03:1

DRIVETRAIN
2-speed, electronically controlled, full-time 4WD


TRACTION CONTROL SYSTEM (TCS)
Brake-controlled, single-wheel control capability with rear axle fully electronic locking differential


STEERING
Power-assisted, rack-and-pinion, with tri-brushing
mount design

EXTERIOR DIMENSIONS (in.)
OVERALL HEIGHT (WITHOUT OPTIONAL ROOF RACK CROSSBOWS) 73.7
OVERALL WIDTH (EXCLUDING MIRRORS) 74.7

OVERALL LENGTH (WITH REAR TIRE CARRIER) NOTE 1 186.7

WHEELBASE 111.9

OVERHANG
FRONT 31.5
REAR 35.2

TRACK WIDTH
FRONT 65.0
REAR 65.5


INTERIOR DIMENSIONS
GVWR (lb.) 5,850
CURB WEIGHT (lb.) 4,700
PAYLOAD, MAXIMUM (lb.) 1,150
TRAILERING, MAXIMUM (lb.) 4,500
FUEL TANK CAPACITY (gal.) 23


GROUND CLEARANCE (in.)
STANDARD 32" TIRES 8.5
OPTIONAL 33" TIRES 9.1
APPROACH ANGLE
STANDARD 32" TIRES 37.5
OPTIONAL 33" TIRES 39.4
DEPARTURE ANGLE
STANDARD 32" TIRES 35.5
OPTIONAL 33" TIRES 36.5
BREAKOVER ANGLE
STANDARD 32" TIRES 23.5
OPTIONAL 33" TIRES 25.0


BRAKES
Electro-hydraulic power 4-wheel disc, 4-wheel anti-lock,
4-piston opposed front caliper / single-piston sliding rear
caliper with Dynamic Rear Proportioning

FRONT SUSPENSION
Independent SLA torsion bars, 46 mm, monotube gas-charged
shocks and 36 mm stabilizer bar

REAR SUSPENSION
Multi-leaf, semi-elliptic single-stage leaf spring, 46 mm,
monotube gas-charged shocks and 22 mm stabilizer bar

FRAME
Welded steel Solid Boxed

WHEELS & TIRES
16 x7.5 in. aluminum wheels, 32 in. P256 / 75R16 all-terrain
tires with full-size spare tire

PERFORMANCE
TURNING CIRCLE: 37 ft.
GRADE CAPABILITY: 60%
SIDE SLOPE CAPABILITY: 40%
WATER FORDING DEPTH: 24 in.@5 mph; 16 in.@20 mph
VERTICAL SCALING HEIGHT: 16 in.
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Old 06-02-2007, 07:34 PM   #2 (permalink)
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Couple clarifications.

Quote:
Originally Posted by Bebe View Post
CRAWL RATIO:
BASE VEHICLE: 45.0:1
WITH OPTIONAL OFF-ROAD SUSPENSION PACKAGE: 68.9:1

That's with the manual tranny. With the auto tranny and adv. package I believe the crawl ratio is around 58:1.

WHEELS & TIRES
16 x7.5 in. aluminum wheels, 32 in. P256 / 75R16 all-terrain
tires with full-size spare tire

Those are the base model "sissy" tires.
The adv. package comes with P285/75R16 Bridgestone Dueler AT's. (Still sissy, but better.)

Last edited by Sewie; 06-02-2007 at 07:35 PM.
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Old 06-19-2007, 05:27 AM   #3 (permalink)
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I know I've seen this before and I'd almost be willing to bet you're the one that posted it..

Do you have the full specs on the diffs..?? Gearing details and all that.. I'm kinda pecking around at gearing down to deal with the 35's better..

IF they exist, would 4:88 be worth the replacement costs..??

And I'm still determined a mechanical locker like a Detroit or a Powertrax has got to be an economical alternative to an E-Locker.. Life may prove me wrong and the thing may blow on me the first time around the block.. But I tend not to push the truck as hard as some folks I know..
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Old 06-19-2007, 02:54 PM   #4 (permalink)
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Quote:
Originally Posted by Rob MSHXC View Post
I know I've seen this before and I'd almost be willing to bet you're the one that posted it..

Do you have the full specs on the diffs..?? Gearing details and all that.. I'm kinda pecking around at gearing down to deal with the 35's better..

IF they exist, would 4:88 be worth the replacement costs..??

And I'm still determined a mechanical locker like a Detroit or a Powertrax has got to be an economical alternative to an E-Locker.. Life may prove me wrong and the thing may blow on me the first time around the block.. But I tend not to push the truck as hard as some folks I know..
Silly goose, it's the pdf from Hummer.com

4:88's may exist for an AAM 7.25, but I searched all the big shops and no one has any. I'm pretty sure the 4:88 would disintegrate in a 7.25" ring gear. Just too small, the teeth would be more like a teef brush.

There is a 4:56 "thick cut" ring gear I'd like to know more about. That might help, along with the new CI Front housing, it might last me more that a couple of trips to Moab.
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Old 06-20-2007, 07:42 PM   #5 (permalink)
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Me too.

I'm looking for an 8 inch ring and pinion for the new CI axle housing from the Alpha. The Alpha will have the 8 inch ring gear with 4.10:1.

I want the same size ring and pinion in a 4.56:1. So far I can't find one anywhere. The alternative for now (while still under warranty) is to leave the 7.25 (7.28) - 4.56:1 in place with the new housing.

The new CI axle will also have the new drive (prop) shaft, that is reported to be 30% stronger. I've already wrecked two of the stock ones, so this would be a welcome addition.
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Old 06-20-2007, 07:52 PM   #6 (permalink)
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Where did you hear that the new CI is going to be an AAM 8"
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Old 06-20-2007, 07:55 PM   #7 (permalink)
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I've been asking myself that also.

HXC I think. I'm searching to find out where I read that.
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Old 06-20-2007, 07:57 PM   #8 (permalink)
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I'm pretty sure the first year Alpha will have the CI front housing, but it will still be an AAM 7.25.

I think they just revived the old housing they used to use in the S-10, that they disco'd in '03.
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Old 06-20-2007, 10:09 PM   #9 (permalink)
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Quote:
Originally Posted by 03H3 View Post
I've been asking myself that also.

HXC I think. I'm searching to find out where I read that.

Twas on Elcova. F5 originally posted that the new CI diff would be larger, then retracted.

Like Beebs said, I think the '08 is getting the 7.25 still, just in CI.
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Old 06-21-2007, 01:16 AM   #10 (permalink)
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Cool Sewie,

I started looking for the gears and couldn't find anything or any application for an 8" GM ring gear in IFS.

It did get me thinking about swapping in an 8.25 from a Tahoe or a Yukon, that already has an e-locker available. But for what that would cost, you would already be a long way toward the price of a SFA.

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Old 06-21-2007, 08:42 AM   #11 (permalink)
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My boss is off driving the H3 Alpha with the Vortec V8 right now... they had a media press release and ride.. then off to the plant they are being built at.

I really dont know much more than that. He did say " They got the H3 right this time, its sa-weet" Im assuming the engine makes all the difference in the world I want my wife to by one !!
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Old 06-21-2007, 03:21 PM   #12 (permalink)
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Quote:
Originally Posted by Sewie View Post
Twas on Elcova. F5 originally posted that the new CI diff would be larger, then retracted.

Like Beebs said, I think the '08 is getting the 7.25 still, just in CI.
I heard my name being mentioned
Did I say it would have a 8"? I was told one time it might have a larger front, but from everything I have seen it is the same size as the aluminum. Just a cast iron housing.
I had one on the hoist the other day, I guess next time, I should verify, but been playing around with a H2 the past few days.

Shall I say the V8 does give more pickup, course I said that six months ago. However, unless I was towing, I'm not sure if I would pay the extra for the engine.
Still peed at Hummer for doing away with Desert Orange Metallic, and replacing it with Solar Flare Metallic.

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Old 06-21-2007, 06:27 PM   #13 (permalink)
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Glad to see you here F5, just wouldn't be the same w/out you
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Old 06-21-2007, 07:19 PM   #14 (permalink)
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I have the front case layout and the Input specs from borg warner on the 4:1 H3 tcase if anyone wants them. I had them emailed to me from one of their engineers when I was inquiring about it.

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Old 06-21-2007, 08:57 PM   #15 (permalink)
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Quote:
Originally Posted by redranger4.0 View Post
I have the front case layout and the Input specs from borg warner on the 4:1 H3 tcase if anyone wants them. I had them emailed to me from one of their engineers when I was inquiring about it.
Send it to me please, you have a pm....Thanks!
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Old 06-21-2007, 11:44 PM   #16 (permalink)
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Quote:
Originally Posted by f5fstop View Post
I heard my name being mentioned
Did I say it would have a 8"? I was told one time it might have a larger front, but from everything I have seen it is the same size as the aluminum. Just a cast iron housing.
Were your ears burning or something?

http://www.elcovaforums.com/forums/s...3&postcount=37

But like I said, you retracted it later in that thread. Maybe you were just looking into the future.
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Old 06-22-2007, 11:19 AM   #17 (permalink)
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No 8"..?? Great.. So much for 4:88s...

Should be more than a few full size 4x GM trucks with IFS around that could be raped for a IFS to play with and see how much would be involved with making something bigger work up front.. Of course until the warranties are out, it may not be worth the damage that would be done, unless you have a skunkworks budget..

I guess if ya really want a H3 turned into a crawler, you need to set the body down on a buggy frame...
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Old 06-23-2007, 09:37 AM   #18 (permalink)
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anyone done a SAS yet ??????? what would be a good match to our rear axle ???? any idea how the T-case would hold up ???
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