Specs

Research 2003 Chevrolet Silverado 3500 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Reg Cab 137.0" WB, 60.4" CA

Brakes

Brake ABS System (Second Line)
Brake ABS System 4-Wheel
Brake Type Pwr
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 12.8 x 1.5
Rear Brake Rotor Diam x Thickness (in) 12.8 x 1.2
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)

Cooling System

Total Cooling System Capacity (qts) 23.8
Total Cooling System Capacity (qts) 25.4
Total Cooling System Capacity (qts) 24.3
Total Cooling System Capacity (qts) 15.4

Electrical

Maximum Alternator Capacity (amps) 105
Cold Cranking Amps @ 0° F (Primary) 600
Cold Cranking Amps @ 0° F (Primary) 770
Cold Cranking Amps @ 0° F (2nd) 770
Cold Cranking Amps @ 0° F (2nd) 600
Maximum Alternator Capacity (amps) 2 @ 105
Maximum Alternator Watts
Cold Cranking Amps @ 0° F (2nd)

Engine

SAE Net Torque @ RPM 455 @ 3200
Engine Oil Cooler Yes
Engine Order Code L18
Engine Order Code LB7
Engine Order Code LQ4
Engine Type Diesel V8
Engine Type Gas V8
Displacement 8.1/494
Displacement 6.6/403
Displacement 6.0L/366
Fuel System DFI
Fuel System SFI
SAE Net Horsepower @ RPM 340 @ 4200
SAE Net Horsepower @ RPM 300 @ 3100
SAE Net Horsepower @ RPM 300 @ 4400
SAE Net Torque @ RPM 520 @ 1800
SAE Net Torque @ RPM 360 @ 4000

Exterior Dimensions

Frame Width, Rear (in)
Ground Clearance, Front (in)
Width, Max w/o mirrors (in) 86.0
Width, Max w/o mirrors (in) 93.9
Length, Overall w/o rear bumper (in) 225.0
Wheelbase (in) 137.0
Height, Overall (in) 76.0
Overhang, Rear w/o bumper (in) 51.0
Front Bumper to Back of Cab (in) 113.6
Cab to Axle (in) 60.4
Cab to End of Frame (in) 111.4
Ground to Top of Load Floor (in)
Ground to Top of Frame (in)
Ground Clearance, Rear (in)
Overhang, Front (in) 37.0

Frame

Frame Type Ladder

Fuel Tank

Aux Fuel Tank Capacity, Approx (gal) 23
Aux Fuel Tank Capacity, Approx (gal)
Fuel Tank Capacity, Approx (gal) 27
Aux Fuel Tank Location Rear
Aux Fuel Tank Location
Fuel Tank Location Inboard LH Frame

Interior Dimensions

Front Shoulder Room (in) 65.7
Passenger Capacity 2
Passenger Capacity 3
Front Hip Room (in) 61.5
Front Leg Room (in) 41.3
Front Head Room (in) 41.1

Mileage

EPA Fuel Economy Est - City (MPG)
EPA Fuel Economy Est - Hwy (MPG)

Steering

Steering Ratio (:1), On Center
Steering Ratio (:1), At Lock
Steering Type Pwr
Turning Diameter - Wall to Wall (ft)
Turning Diameter - Curb to Curb (ft) 44.9

Summary

Vehicle Name Chevrolet Silverado 3500
Body Style Reg Cab 137.0" Wheelbase
Body Code ZW9

Suspension

Axle Capacity - Front (lbs) 4800
Suspension Type - Front Indep Torsion Bar
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Front (lbs) 4500
Spring Capacity - Rear (lbs) 8600
Axle Type - Front Independent
Axle Type - Rear Full Floating
Axle Capacity - Rear (lbs) 9200
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 3.73
Axle Ratio (:1) - Rear 4.10
Shock Absorber Diameter - Front (mm) 35
Shock Absorber Diameter - Rear (mm) 35
Stabilizer Bar Diameter - Front (in) 1.25
Stabilizer Bar Diameter - Rear (in)

Tires

Spare Tire Capacity (lbs) 2150
Spare Tire Capacity (lbs)
Revolutions/Mile @ 45 mph - Front
Revolutions/Mile @ 45 mph - Rear
Spare Tire Order Code ZEC
Spare Tire Order Code ZYK
Rear Tire Order Code XYK
Rear Tire Order Code XEF
Rear Tire Order Code XEC
Front Tire Order Code XYK
Revolutions/Mile @ 45 mph - Spare
Front Tire Order Code XYL
Front Tire Order Code XEC
Front Tire Order Code XEF
Spare Tire Size LT215/85R16E
Spare Tire Size LT215/85R16D
Rear Tire Size LT215/85R16D
Rear Tire Size LT215/85R16E
Front Tire Size LT215/85R16D
Front Tire Size LT215/85R16E
Spare Tire Order Code
Spare Tire Order Code ZYL
Spare Tire Order Code ZEF
Spare Tire Size
Front Tire Capacity (lbs) 2430
Front Tire Capacity (lbs) 2335
Rear Tire Order Code XYL
Rear Tire Capacity (lbs) 2150

Trailering

Fifth Wheel Hitch - Max Tongue Wt. (lbs)
Dead Weight Hitch - Max Trailer Wt. (lbs)
Dead Weight Hitch - Max Tongue Wt. (lbs)
Wt Distributing Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs)
Fifth Wheel Hitch - Max Trailer Wt. (lbs)

Transmission

Trans Type 4
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access
Trans Power Take Off RH
Trans Power Take Off LH/RH
Trans Power Take Off
Clutch Size (in)
Reverse Ratio (:1) 5.61
Reverse Ratio (:1) 4.49
Reverse Ratio (:1) 5.23
Reverse Ratio (:1) 2.08
Sixth Gear Ratio (:1)
Sixth Gear Ratio (:1) 0.76
Fifth Gear Ratio (:1) 0.75
Fifth Gear Ratio (:1) 0.71
Fifth Gear Ratio (:1) 1.00
First Gear Ratio (:1) 5.61
First Gear Ratio (:1) 5.79
First Gear Ratio (:1) 2.48
First Gear Ratio (:1) 3.10
Trans Description Cont. Again
Trans Description Cont. Manual w/OD
Trans Description Cont. HD Manual w/OD
Trans Description Cont. Automatic w/OD
Trans Description Cont. HD Automatic w/OD
Trans Type 5
Trans Type 6
Transfer Case Power Take Off
Trans Order Code MW3
Trans Order Code M74
Trans Order Code MT1
Trans Order Code ML6
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 1.31
Fourth Gear Ratio (:1) 0.75
Third Gear Ratio (:1) 1.67
Third Gear Ratio (:1) 1.41
Third Gear Ratio (:1) 2.10
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 3.04
Second Gear Ratio (:1) 3.31
Second Gear Ratio (:1) 1.81
Second Gear Ratio (:1) 1.48

Weight Information

Gross Combined Wt Rating (lbs) 22000
Gross Combined Wt Rating (lbs) 20000
Gross Combined Wt Rating (lbs) 14000
Gross Vehicle Weight Rating Cap (lbs) 11,400
Curb Weight - Rear (lbs) 2314
Curb Weight - Front (lbs) 2917
Gross Axle Wt Rating - Rear (lbs) 8550
Gross Axle Wt Rating - Front (lbs) 4500
Gross Combined Wt Rating (lbs) 16000
Gross Combined Wt Rating (lbs) 22000

Wheels

Rear Wheel Size (in) 16 x 6.5
Spare Wheel Size (in) 16 x 6.5
Spare Wheel Size (in)
Front Wheel Material Steel
Rear Wheel Material Steel
Spare Wheel Material Steel
Spare Wheel Material
Front Wheel Size (in) 16 x 6.5

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