Segment:
Heavy-duty, off-road, utility vehicle
Competitors Historical:
Military HMMWV derivatives, Jeep Wrangler (extreme trims), custom off-road vehicles
Off Road Capability:
Exceptional (full-time 4WD, portal axles, high ground clearance, locking differentials)
Durability:
Rugged construction, robust components designed for extreme conditions
Versatility:
Available in multiple body styles (wagon, pickup, slantback, etc.)
Powertrain:
Engine, transmission, transfer case, drivetrain components
Chassis:
Suspension, steering, braking system, wheels, tires
Electrical:
Wiring diagrams, charging system, starting system, lighting, instrumentation, body electronics, HVAC controls
Body:
Body panels, doors, windows, interior trim, bumpers, exterior trim
Comfort And Convenience:
HVAC system, power accessories, seats, audio system
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Troubleshooting:
Diagnostic procedures, common problems, fault code interpretation
Repair:
Component removal and installation, adjustments, rebuilding procedures
Disassembly And Assembly:
Complete disassembly and reassembly of major systems and components
Depth:
Comprehensive (covering all aspects from basic maintenance to major repairs)
Engine Type:
6.6L V8 Turbo Diesel
Aspiration:
Turbocharged, Intercooled
Fuel Delivery:
Common Rail Direct Injection
Horsepower:
300 hp @ 3100 rpm (approx.)
Torque:
520 lb-ft @ 1600 rpm (approx.)
Length:
Approx. 201-221 inches (depending on body style)
Width:
Approx. 86.5 inches (excluding mirrors)
Height:
Approx. 77-79 inches (depending on body style)
Curb Weight:
Approx. 7,700 - 8,400 lbs (depending on body style)
Gross Vehicle Weight Rating Gvwr:
Approx. 10,500 lbs
Towing Capacity:
Approx. 6,000 - 10,000 lbs (depending on configuration)
Crash Test Ratings:
Not typically rated by standard agencies due to its unique design and purpose; designed for extreme durability
ABS:
Standard Anti-lock Braking System
Traction Control:
Standard Traction Control System
Airbags:
Driver and Passenger Airbags
Seatbelts:
3-point front seatbelts, lap belts for rear occupants (depending on configuration)
Infotainment System:
Basic AM/FM radio, CD player (optional), analog gauges
Driver Assistance Features:
Limited to ABS and traction control; primarily focused on mechanical capability
Connectivity Options:
N/A (No modern connectivity features like Bluetooth or USB)
Engine Oil Change:
Every 5,000 - 7,500 miles or 6 months (refer to manual for specific conditions)
Transmission Fluid Change:
Every 30,000 - 50,000 miles (refer to manual)
Transfer Case Fluid Change:
Every 30,000 - 50,000 miles (refer to manual)
Differential Fluid Change:
Every 30,000 - 50,000 miles (refer to manual)
Engine Oil Type:
API CJ-4 SAE 15W-40 or 5W-40 synthetic (depending on climate, refer to manual)
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid
Coolant Type:
GM P/N 12346290 (Orange) or equivalent (50/50 mix with distilled water)
Common Problems:
Potential for exhaust manifold leaks, glow plug issues, vacuum line degradation, brake component wear due to weight and usage
Tire Wear:
Can exhibit uneven tire wear if alignment and tire pressures are not maintained diligently
Electrical Gremlins:
Older vehicles may experience minor electrical issues due to age and vibration
Heritage:
Derived from the military High Mobility Multipurpose Wheeled Vehicle (HMMWV), later acquired by AM General and then General Motors
Gm Era Enhancements:
Introduction of the 'Alpha' model with the more powerful Duramax diesel and Allison transmission, improved interior refinement
Production Period:
Civilian production from 1992 to 2006
Manufacturer:
AM General (initially), General Motors (from 2004)
