More about my Hummer

More About My 93 Hummer The 93 civilian Hummers are the last to use the non computerized diesel engine and transmission, Starting in 94, they made more changes from the standard military version Humvee. Some of the changes that I know of are:

	93 Hummers	94 & Newer Hummers
Engine	6.2 L Diesel 155 hp @ 3500 RPM	6.5 L Diesel 170 hp @ 3400 RPM (97)
Governor	Mechanical	Electronic
Engine Displacement	379.4 cu. in	396 cu. in.
Torque	285 lb-ft. @ 2000 rpm	290 lb-ft. @ 1700 rpm
Max. Speed (Mfg. ratings)	65 mph	83 mph (turbo & non turbo)
Max. Speed (experienced)	71 mph	85 mph, 95 mph (turbo engine)
Acceleration 0-60	19.6 sec. Mfg. Rating - I feel it's a little better then this.	19.6 Mfg. Ratings - but really it is better then that.
Transmission	Turbo Hydra Matic 400 3 speed Max. torque input 451 lb-ft. Gear ratios 2.48:1, 1.48:1, 1.0:1 - Rev 2.08:1	4L80-E 4 speed Max. torque input 440 lb-ft. Gear ratios: 2.48:1, 1.48:1, 1.0:1, 075:1 - Rev 2.08:1
A/C Unit	mechanical controls	Computerized - works better
Ground clearance	Front-end is lower	Front-end now sits higher
Seating - leg room	Cross bar behind	Removed cross bar - more leg room
Battery compartment	Under front right seat	Under hood next to right tire

Engine: The 6.2 l diesel engine just like the Chevy Suburban's by in 85-86. No computer controls the engine, so I guess if we should have a nuclear blast, my truck should still keep on running since it is mechanical and this is like most of the military version Hummer's or Humvee's. The engine was changed out to the 6.5l either due to Detroit Diesel who discontinued the making of the 6.2 version engine. But the 6.5 l is a standard off the line engine now used in the diesel GMC & Chevy trucks and Suburban. The 6.2 has been a great engine as far as I know. I would have liked a Cummins Diesel in it, but I do not know if it would fit neither do I have the money to try it.

Transmission: 3 Speed HD Turbomatic 400 will get up to 71-72 mph before the engine governor holds it back. The newer 4 speed automatic transmissions will do 85 mph plus, and I have heard of the turbo's doing 95 mph. The military spec. for the Humvees are for it to do 55 mph, so I guess when they designed it, no one figured on going over 70 mph so the gear ratio meet the requirements for the military. The civilians demanded more speed, so starting in 94, 4 speed computerized transmission was used. This and the engine are a standard setup for GM trucks used today.

My Hummer itself weighted in at 7380 lbs. with the only extra equipment being the 5 ammo boxes that have 10 feet of chain, jumper cables, and tow straps. Half tank of fuel, and me out of the truck. Compared to my 96 2 wheel drive 3/4 ton Suburban empty weight of 6020 lbs.

The 98's base weight in as followed:

Curb Weight	2 door hard top	4 Door Hard Top	4 Door Open Top	4 Door Wagon
Diesel	6390 lbs.	6790 lbs.	6640 lbs.	6980 lbs.
Turbo Diesel	6460 lbs.	6860 lbs.	6710 lbs.	7050 lbs.
Gross Vehicle Weight	10,300 lbs.	10,300 lbs.	10,300 lbs.	10,300 lbs.

Some of the other properties are:

	Hummer	Comparison
Length	184.5 inches	About the same as a Ford Explorer
Maximum Height	75 inches	Suburban - 75 inches
Width (with out mirrors	86.5 inches	Suburban - 76.7 inches
Ground Clearance	16 inches
Turning Radius	26.5 feet
Cruising Range	200-275 miles on hard surface
Fuel Tank (Stock)	25 gallons but I can only get about 20
Fuel Economy	13.5 mpg, but I get about 11-12 gph

Service - Service requirements are just like any other 4x4 truck, with a few extra items.

Engine - at about every 3,000 miles I take it to Jiffy Lube for the engine oil change.
Joints - I grease all the joints myself after each outing and/or when having the oil changed.

Mfg. recommends every 3,000 miles for normal driving, but for mud and sand use - every 1,000 miles
about 29 points to grease

Geared Hubs & Axle Assembly -

I normally check them about every 3,000 miles, or after most outings.
Geared Hubs requires removing the tires to check levels.

Transmission - Requires fluid changing at 12,000 miles.

Used Dexron III

Transfer Case - a "New Process Gear 242" (now known as New Venture Gear) chain driven transfer case

Requires fluid change a 12,000 miles
Used Dexron III

Brake fluid levels - uses DOT 5 Silicone brake fluid - check levels monthly
Power Steering - check fluid levels monthly, this also power the brakes and my winch.

Used Dexron III

Fuel filter - requires replacing every 6,000 miles.
Air Filter - Inspect clean every 3,000.

History note: PE137451 was 1 of 3 '93 Wagons to be painted R1, Medium Gloss
Red and was 1 of only 11 total '93 HUMMERs to receive that color. It started in
production on 12/16/92 and was complete and available for shipping on
1/22/93. M.S.R.P. was $57,918

More to come -