Specs

Research 2001 GMC Sierra 3500HD specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Reg Cab 135.5" WB C5B

Brakes

Brake Type Power
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in) 13.58 x 1.43
Front Brake Rotor Diam x Thickness (in) 13.90 x 1.43
Disc - Rear (Yes or ) Yes
Disc - Front (Yes or ) Yes
Brake ABS System (Second Line)
Brake ABS System Four Wheel

Cooling System

Total Cooling System Capacity (qts) 22.3
Total Cooling System Capacity (qts) 24.3
Total Cooling System Capacity (qts) 21.9
Total Cooling System Capacity (qts) 23.9

Electrical

Cold Cranking Amps @ 0° F (Primary) 690
Cold Cranking Amps @ 0° F (2nd) 600
Cold Cranking Amps @ 0° F (2nd) 600
Cold Cranking Amps @ 0° F (2nd)
Maximum Alternator Capacity (amps) 2 @ 100
Maximum Alternator Capacity (amps) 100
Maximum Alternator Watts - TBD -
Maximum Alternator Watts 1200
Cold Cranking Amps @ 0° F (Primary) 600

Engine

SAE Net Torque @ RPM 460 @ 3400
Engine Order Code L65
Engine Order Code L18
Engine Type Diesel V8
Engine Type Gas V8
Displacement 6.5L/395
Displacement 8.1/496
Fuel System Turbo-Charged EFI
Fuel System MFI
SAE Net Horsepower @ RPM 195 @ 3400
SAE Net Horsepower @ RPM 320 @ 4200
SAE Net Torque @ RPM 430 @ 1800
SAE Net Torque @ RPM 420 @ 1800
Engine Oil Cooler Yes

Exterior Dimensions

Ground to Top of Frame (in) 31.7
Cab to End of Frame (in) 111.0
Cab to Axle (in) 60.0
Overhang, Front (in) 37.9
Overhang, Rear w/o bumper (in) 51.0
Front Bumper to Back of Cab (in) 113.6
Ground Clearance, Rear (in) 6.9
Ground Clearance, Front (in) 8.4
Frame Width, Rear (in) 34.0
Ground to Top of Load Floor (in)
Wheelbase (in) 135.5
Length, Overall w/o rear bumper (in) 224.5
Width, Max w/o mirrors (in) 84.2
Height, Overall (in) 77.7

Frame

Frame Type Ladder

Fuel Tank

Fuel Tank Location Inboard LH Frame
Aux Fuel Tank Capacity, Approx (gal) 18
Aux Fuel Tank Location
Fuel Tank Capacity, Approx (gal) 22
Aux Fuel Tank Location Behind Rear Axle
Aux Fuel Tank Capacity, Approx (gal)

Interior Dimensions

Front Shoulder Room (in) 65.0
Front Head Room (in) 40.0
Front Hip Room (in) 60.1
Passenger Capacity 3
Passenger Capacity 2
Front Leg Room (in) 41.5

Mileage

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

Steering

Steering Ratio (:1), On Center 18.6
Turning Diameter - Wall to Wall (ft) 47.8
Turning Diameter - Curb to Curb (ft) 46.0
Steering Ratio (:1), At Lock 17.8
Steering Type Power

Summary

Body Style Reg Cab 135.5" Wheelbase
Body Code ZW9
Vehicle Name GMC Classic Sierra 3500 HD

Suspension

Spring Capacity - Rear (lbs) 11,000
Axle Type - Front I-Beam
Stabilizer Bar Diameter - Front (in) 1.25
Shock Absorber Diameter - Rear (mm) 35
Axle Ratio (:1) - Rear 4.63
Shock Absorber Diameter - Front (mm) 35
Axle Ratio (:1) - Rear 5.13
Stabilizer Bar Diameter - Rear (in)
Axle Type - Rear Full-Floating
Axle Capacity - Front (lbs) 5000
Axle Capacity - Rear (lbs) 11,000
Axle Ratio (:1) - Front
Suspension Type - Front Tapered Leaf Spring
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Front (lbs) 5000

Tires

Spare Tire Order Code
Front Tire Order Code XTN
Rear Tire Order Code YTN
Spare Tire Order Code ZTN
Front Tire Size 225/70R19.5F
Rear Tire Size 225/70R19.5F
Spare Tire Size 225/70R19.5F
Spare Tire Size
Front Tire Capacity (lbs) 2595
Rear Tire Capacity (lbs) 2855
Spare Tire Capacity (lbs) 2855
Spare Tire Capacity (lbs)
Revolutions/Mile @ 45 mph - Front 645
Revolutions/Mile @ 45 mph - Rear 645
Revolutions/Mile @ 45 mph - Spare 645
Revolutions/Mile @ 45 mph - Spare

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
Wt Distributing Hitch - Max Trailer Wt. (lbs) 10,000
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1000
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000

Transmission

Transfer Case Gear Ratio (:1), High
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
First Gear Ratio (:1) 2.48
Trans Description Cont. Again Deep Low
Trans Description Cont. Again Electronic
Trans Description Cont. HD Manual w/OD,
Trans Description Cont. HD Automatic w/OD,
Trans Type 5
Trans Type 4
Trans Order Code MW3
Trans Order Code MT1
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low
Transfer Case Model
Trans PTO Access LH/RH
Trans PTO Access
Trans Power Take Off SAE 6-Bolt
Trans Power Take Off
Clutch Size (in) 12
Clutch Size (in)
Reverse Ratio (:1) 5.61
Reverse Ratio (:1) 2.08
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1) 0.75
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 0.75
Third Gear Ratio (:1) 1.67
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 3.04
Second Gear Ratio (:1) 1.48
First Gear Ratio (:1) 5.61

Weight Information

Gross Vehicle Weight Rating Cap (lbs) 15,000
Curb Weight - Front (lbs) 3265
Curb Weight - Rear (lbs) 2500
Gross Combined Wt Rating (lbs) 19,000
Gross Axle Wt Rating - Front (lbs) 5000
Gross Combined Wt Rating (lbs) 17,000
Gross Axle Wt Rating - Rear (lbs) 11,000

Wheels

Front Wheel Size (in) 19.5 x 6.0
Spare Wheel Size (in) 19.5 x 6.0
Spare Wheel Size (in)
Front Wheel Material Steel
Rear Wheel Material Steel
Spare Wheel Material Steel
Spare Wheel Material
Rear Wheel Size (in) 19.5 x 6.0