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

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Showing 201 - 225 of 665 Listings

201 - 225 of 665 listings
201 - 225 of 665 listings
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
$23,250 USD
Used 2021 GMC G33903 Box Truck for sale, 145,143 miles, 401HP 6.6LV8 engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, spring suspension, white with...
ConditionUsed
Usage145,901 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 Number91621139
MLS Number14137051
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/13/2026
Location
Concord, NC, US
Sold By
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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
$27,250 USD
Used 2021 GMC G33903 Box Truck for sale, 109,375 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, white with roll-up door....
ConditionUsed
Usage109,643 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 Number91620887
MLS Number14348342
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/15/2026
Location
Ogden, UT, US
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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
$29,000 USD
Used 2021 GMC G33903 Box Truck for sale, 80,900 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, roll-up door. Check it out.
ConditionUsed
Usage83,760 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 Number91620852
MLS Number14272786
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/13/2026
Location
La Porte, IN, US
Sold By
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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
$26,500 USD
Used 2021 GMC G33903 Box Truck for sale, 106,197 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177” wheelbase, roll-up door, white color....
ConditionUsed
Usage114,485 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 Number91620834
MLS Number14107313
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Sacramento, CA, US
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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, 85,946 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 17,200 lbs GVWR, single rear axle, roll-up door, 177" wheelbase. Check...
ConditionUsed
Usage94,184 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 Number91620669
MLS Number14105061
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Lafayette, LA, US
Sold By
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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, 110,417 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, roll up door, 33-gallon fuel capacity....
ConditionUsed
Usage111,636 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 Number91620206
MLS Number14302175
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Middlefield, OH, US
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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
$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 85,282 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
Usage85,473 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 Number91620109
MLS Number14345042
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/15/2026
Location
Traverse City, MI, US
Sold By
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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, 108,751 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, roll-up door, 8600 lbs rear axle, gasoline fuel, 33-gallon capacity. Check it...
ConditionUsed
Usage115,358 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 Number91619924
MLS Number14049109
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
West Columbia, SC, US
Sold By
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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
$29,000 USD
Used 2021 GMC G33903 box truck for sale, 80,839 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, 126" height, roll-up door....
ConditionUsed
Usage83,400 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 Number91619826
MLS Number14101947
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/14/2026
Location
Denton, TX, US
Sold By
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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, 113,414 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 126" height, roll-up door, light duty....
ConditionUsed
Usage113,421 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 Number91619702
MLS Number14364412
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/15/2026
Location
Valdosta, GA, US
Sold By
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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
$28,000 USD
Used 2021 GMC G33903 Box Truck for sale, 74,309 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177-inch wheelbase, yellow, roll-up door....
ConditionUsed
Usage78,956 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 Number91619627
MLS Number14142767
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Fresno, CA, US
Sold By
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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 $28,000 USD
Used 2021 GMC G33903 Box Truck for sale, 77,553 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 33-gallon fuel capacity, roll-up door. Check...
ConditionUsed
Usage77,553 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 Number91619529
MLS Number13478275
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/13/2026
Location
Santa Ana, CA, US
Sold By
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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
$24,500 USD
Used 2021 GMC G33903 Box Truck for sale, 97,323 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door. See...
ConditionUsed
Usage97,543 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 Number91619487
MLS Number14348334
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Braintree, MA, US
Sold By
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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, 91,312 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, yellow with roll-up door....
ConditionUsed
Usage97,319 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 Number91619431
MLS Number13734576
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Phoenix, AZ, US
Sold By
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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
$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 75,055 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177” wheelbase, yellow with roll-up door....
ConditionUsed
Usage79,442 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 Number91619365
MLS Number14245829
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/15/2026
Location
Houston, TX, US
Sold By
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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
$25,750 USD
Used 2021 GMC G33903 Box Truck, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll up door, 33-gallon fuel capacity. See it...
ConditionUsed
Usage113,875 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 Number91619351
MLS Number12966196
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/15/2026
Location
Huntington, WV, US
Sold By
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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, 94,976 miles, 401 HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, roll-up door, light...
ConditionUsed
Usage95,201 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 Number91619341
MLS Number14342161
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Cincinnati, OH, US
Sold By
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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
$22,750 USD
Used 2021 GMC G33903 Box Truck for sale, 119,191 miles, 401HP 6.6LV8 GMC gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177-inch wheelbase. Check it out.
ConditionUsed
Usage122,168 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 Number91619306
MLS Number14170776
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Erie, PA, US
Sold By
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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 $26,000 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177-inch wheelbase, yellow, 33-gallon fuel capacity. Check...
ConditionUsed
Usage105,699 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 Number91619034
MLS Number13755874
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/15/2026
Location
Pensacola, FL, US
Sold By
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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, 105,046 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll-up door. See it...
ConditionUsed
Usage107,955 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 Number91618887
MLS Number14299019
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/13/2026
Location
Rothschild, WI, US
Sold By
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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, 101,301 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177" wheelbase, 33-gal fuel capacity....
ConditionUsed
Usage102,639 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 Number91618850
MLS Number14302174
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Milwaukee, WI, US
Sold By
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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
$25,500 USD
Used 2021 GMC G33903 Box Truck for sale, 109,930 miles, 401 HP 6.6LV8 GMC gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177" wheelbase, 33-gallon fuel tank. See...
ConditionUsed
Usage111,009 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 Number91618803
MLS Number14164752
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Tucson, AZ, US
Sold By
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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 $22,250 USD
Used 2021 GMC G33903 Box Truck for sale, 106,433 miles, 401 HP 6.6LV8 GMC gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door....
ConditionUsed
Usage109,730 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 Number91618678
MLS Number14320688
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/16/2026
Location
Greensboro, NC, US
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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 $23,500 USD
Used 2021 GMC G33903 Box Truck for sale, 102,198 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, spring suspension, roll-up door. Check it...
ConditionUsed
Usage115,772 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 Number91618606
MLS Number13868164
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/17/2026
Location
Murfreesboro, TN, US
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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 $27,250 USD
Used 2021 GMC G33903 Box Truck for sale, 84,733 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 126-inch height, roll-up door. Check it out!
ConditionUsed
Usage84,733 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 Number91618542
MLS Number13383557
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated5/13/2026
Location
La Mirada, CA, US
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