The 2025 Lamar 83×14 14K low pro dump trailer (model DL8314 LP) is a Texas-built heavy-duty hauler in the 14,000 lb GVWR class, with 48-inch sides for high-volume loads (mulch, leaves, demolition debris) and an 8-inch I-beam main frame that runs heavier-duty than typical low-pro dumps in this size. The 12-inch on-center crossmembers, 21K Demco cast coupler, and 10K drop-leg jack push this Lamar low pro dump trailer toward the upper edge of the 14K class.
Spec highlights for this Lamar low pro dump trailer:
14,000 lb GVWR with 7,000 lb GAWR (per axle)
83-inch wide x 14-foot long (168 in.) deck, 48-inch (4-foot) weld-on sides
8-inch 13-lb I-beam main frame, 12-inch on-center crossmembers
(2) 7K EZ Lube electric brake spring axles
235/80 R16 (E) 10-ply tires on black wheels, spare tire mount
2-5/16 in. 21K Demco adjustable cast coupler, 10K drop-leg jack
Front toolbox, spreader gate, pair of heavy-duty slide-in ramps, support stands
Mesh tarp with pull bar, LED lighting package, 12V deep-cycle battery kit
Stake pockets, four weld-on D-rings, fenders
VIN 5RVBB1429SP143064, gray color, 2025 model year
Best for landscape contractors, demolition crews, snow removal fleets, and 3/4-ton truck operators in the South and Southwest. Free nationwide delivery on every Lamar low pro dump trailer in our inventory.
The 4-foot sides on this Lamar low pro dump trailer convert it from a weight-limited hauler to a volume-limited hauler. For dense aggregates (gravel, stone) the 14,000 lb GVWR caps the load before the bed fills up, so high sides are wasted. For low-density loads (mulch, leaves, brush, framing demolition, leaf compost), 4-foot sides nearly double the per-cycle capacity versus a 22-inch low-side dump. Landscape and brush-removal operators who price by volume see direct hour savings within a season.
What Can You Haul?
5 to 6 yards of mulch or landscape compost (4-ft sides give serious volume)
2.5 yards of crushed stone (weight-limited at 14K GVWR)
Loaded skid steer plus full attachment package via slide-in ramps
Demolition debris from a residential remodel project (with the spreader gate for partial-spread dumping)
Free Nationwide Delivery
PrimeLoad runs free-included delivery to all 50 US states on every dump trailer in our inventory. East Coast and Midwest: 5 to 10 business days. West Coast and rural: 7 to 14 days. The driver hands over the title, keys, and bill of lading at the curb. Full shipping policy.
Frequently Asked Questions
What does “Demco cast coupler” mean?
Demco is a coupler manufacturer; cast couplers (versus stamped) handle higher cyclic loads better. The 21,000 lb capacity is well above the 14K GVWR of this trailer, giving margin for shock loading and uneven pavement.
Why a single 10K drop-leg jack instead of dual jacks?
A 10K drop-leg jack on a 14K trailer is sized to handle the trailer empty plus a moderate side-load. Dual jacks are typical on goosenecks (12K each) where the kingpin weight is higher. For a bumper-pull 14K dump like this Lamar 14K low pro dump trailer, a single 10K is the standard spec.
Is the front toolbox lockable?
Yes. The front-mounted toolbox accepts a standard padlock and is sized for ramp pins, chains, gloves, and small tools.
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