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Used GMC 6 Speed Trucks with 3.50-0.00 Ratio For Sale

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Showing 1 - 25 of 665 Listings

1 - 25 of 665 listings
1 - 25 of 665 listings
Featured Item
2018 GMC 3500 Mechanic / Service Truck, Low Miles, Diesel, 12FT Boxes, Construction, Plumber, Electrician, Handyman, Clean, Utility

2018 GMC 3500 Mechanic / Service Truck, Low Miles, Diesel, 12FT Boxes, Construction, Plumber, Electrician, Handyman, Clean, Utility

$34,500 USD
2018 GMC 3500 Cutaway Utility Truck Stock: 271441 VIN:1GD37RCG5J1271441 Year:2018 Make: GMC Model: 3500 Cutaway Engine:Vortec 6L V-8 variable valve control, regular unleaded, engine with...
ConditionUsed
Usage86,251 Miles
Duty ClassLight Duty Service Truck
Bed Length12 ft.
Horse Power341 HP
Engine ModelGMC L96 - Flexible Fuel Engine, Iron
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 3.73 ratio
Door TypeSwing
Stock Number271441
MLS Number14016764
CategoryMechanic / Utility / Service Trucks
Last Updated5/18/2026
Location
North East, MD, US
Sold By
Complete Recycling Group LLC
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Complete Recycling Group LLC
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2022 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$26,750 USD
Used 2022 GMC G33903 Box Truck for sale, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 126-inch height, 177-inch wheelbase, roll-up door, 33-gal...
ConditionUsed
Usage103,895 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91625457
MLS Number14361119
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Lindon, UT, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$27,000 USD
Used 2021 GMC G33903 Box Truck for sale, 110,727 miles, 6.6L V8 gasoline engine, 401 HP, 6-speed automatic transmission, single rear axle 8,600 lbs, 177-inch wheelbase. Check it out.
ConditionUsed
Usage110,727 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91623677
MLS Number14102156
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Anderson, SC, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$27,500 USD
Used 2021 GMC G33903 Box Truck with 401HP 6.6LV8 engine, 6-speed automatic transmission, single rear axle 8600 lbs, 33-gallon fuel capacity, 177-inch wheelbase, and roll-up door. Check it...
ConditionUsed
Usage102,886 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620846
MLS Number14375889
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Las Vegas, NV, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$23,500 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 86,00 lb single rear axle, 177-inch wheelbase, 33-gallon fuel capacity. Check it out.
ConditionUsed
Usage115,676 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620432
MLS Number14111162
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Clackamas, OR, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$23,000 USD
Used 2021 GMC G33903 Box Truck for sale, 121,824 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, white, roll-up door....
ConditionUsed
Usage121,965 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620404
MLS Number14064408
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Clackamas, OR, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$26,750 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 gas engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, 33 gal fuel capacity, white with roll-up door....
ConditionUsed
Usage100,175 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620394
MLS Number14094294
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Mount Juliet, TN, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$29,000 USD
Used 2021 GMC G33903 Box Truck for sale, 86,814 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 177" wheelbase, 33-gallon fuel capacity, roll-up door. Check it out!
ConditionUsed
Usage86,814 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620362
MLS Number14375888
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Tampa, FL, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop $25,500 USD
Used 2021 GMC G33903 Box Truck for sale, 103,543 miles, 401HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 126" height, roll-up door. Check it...
ConditionUsed
Usage103,569 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620261
MLS Number14101952
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Mount Juliet, TN, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 127,154 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 33-gallon fuel capacity, roll-up door. Come...
ConditionUsed
Usage127,161 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620144
MLS Number14077677
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Ladson, SC, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop $26,750 USD
Used 2021 GMC G33903 Box Truck for sale, 108,706 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll-up door. Check it...
ConditionUsed
Usage115,086 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619993
MLS Number14108583
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Montgomery, AL, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$26,750 USD
Used 2021 GMC G33903 Box Truck for sale, 91,585 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, 33-gallon fuel tank, roll-up door. See...
ConditionUsed
Usage91,585 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619955
MLS Number14375887
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Torrance, CA, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop $24,000 USD
Used 2021 GMC G33903 Box Truck for sale, 91,462 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177-inch wheelbase, white with roll-up door...
ConditionUsed
Usage91,462 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619872
MLS Number13412248
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Newport News, VA, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$24,750 USD
Used 2021 GMC G33903 Box Truck for sale, 113,501 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, roll-up door. Check it out!
ConditionUsed
Usage113,508 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619805
MLS Number14107264
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Greeley, CO, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$24,000 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6LV8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, roll up door, 126" height. Come see us...
ConditionUsed
Usage91,137 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619750
MLS Number14064405
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Santa Rosa, CA, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$29,250 USD
Used 2021 GMC G33903 Box Truck for sale, 77,791 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, roll-up door, 33-gallon fuel capacity. Check...
ConditionUsed
Usage77,791 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619588
MLS Number13744125
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Phoenix, AZ, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$23,000 USD
Used 2021 GMC G33903 Box Truck for sale, 108,055 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177" wheelbase, 33-gallon fuel tank. Come...
ConditionUsed
Usage108,699 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619520
MLS Number14051818
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Montgomery, AL, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Newly Listed
$24,250 USD
Used 2021 GMC G33903 Box Truck for sale, 100,447 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 126-inch height, yellow color, roll-up door....
ConditionUsed
Usage100,447 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619262
MLS Number14375886
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Indianapolis, IN, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$27,500 USD
Used 2021 GMC G33903 Box Truck for sale, 89,732 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177-inch wheelbase. See it now.
ConditionUsed
Usage90,021 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619027
MLS Number13351961
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Parkersburg, WV, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$25,000 USD
Used 2021 GMC G33903 Box Truck, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177-inch wheelbase, spring suspension, 33 gal fuel capacity. Check...
ConditionUsed
Usage111,971 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618943
MLS Number14099444
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Greeley, CO, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$24,250 USD
Used 2021 GMC G33903 Box Truck for sale, 101,965 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177" wheelbase, roll-up door, 33-gallon fuel...
ConditionUsed
Usage103,939 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618900
MLS Number14231138
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Middlefield, OH, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$28,250 USD
Used 2021 GMC G33903 box truck for sale, 84,981 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single 8,600 lb rear axle, roll-up door, 33-gallon fuel capacity. Come...
ConditionUsed
Usage90,493 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618841
MLS Number14292458
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Goodyear, AZ, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$25,000 USD
Used 2021 GMC G33903 Box Truck for sale, 111,674 miles, 401 HP 6.6LV8 GMC gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, yellow with roll-up...
ConditionUsed
Usage111,679 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618839
MLS Number14107231
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Greeley, CO, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$24,250 USD
Used 2021 GMC G33903 Box Truck for sale, 118,354 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177-inch wheelbase, roll-up door, yellow....
ConditionUsed
Usage118,361 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618812
MLS Number14114512
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Greeley, CO, US
Sold By
Penske Used Trucks
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GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Recently Updated
$26,000 USD
Used 2021 GMC G33903 Box Truck for sale, 102,393 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle rated 8,600 lbs, spring suspension, 33-gallon fuel...
ConditionUsed
Usage102,393 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618510
MLS Number14101925
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Greeley, CO, US
Sold By
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