The DL420-7 sits at the upper end of the 300–350 horsepower category, offering impressive power for a wheel loader of its size — the largest, highest-capacity machine in the DEVELON range.

A 12.7 L, 6-cylinder Scania DC13 with a variable-geometry turbo produces 344.6 hp at 1,800 rpm and a massive 1,179 lb·ft of torque at 1,300 rpm — strong, low-rpm power for the heaviest production loading.

A 70.3-gpm variable-displacement axial-piston pump operating at a high 4,641 psi — the highest system pressure in the lineup — delivers strong breakout and lift force with fast, responsive cycles.

A full-automatic 4F/3R torque-converter powershift multiplies torque for strong rimpull, with an optional 5F/3R transmission featuring a torque-converter lock-up clutch (US50/US51 packages) for higher efficiency and road speed.

Meets EPA Tier 4 Final emissions with HPCR fuel, a variable-geometry turbo, cooled EGR and a DOC + SCR/DEF aftertreatment package — and no diesel particulate filter (DPF) to regenerate, on an 84-gal fuel tank and 15.8-gal DEF tank.

The Z-bar loader linkage generates up to 41,365 lbf of breakout force with a 42,718 lb static tipping load (straight) and a 5.5 yd³ bucket on 26.5R25 tires — the most digging and lifting capacity in the family.

A high-performance Z-bar lift arm maximizes breakout force and dump clearance, with standard (US10/11) and optional high-lift (US20/21) arm configurations to match your loading height and capacity needs.

Standard ride control cushions the loader arms over rough terrain, reducing material spillage and operator fatigue while allowing faster load-and-carry travel.

In-cab adjustable automatic boom/lift kick-out and bucket return-to-dig repeat your set heights and bucket angle automatically, speeding up repetitive loading cycles.

A variable-displacement axial-piston pump feeds a closed-center, pilot-operated system at 4,641 psi — high pressure for strong force and fast cycle times under heavy multifunction loads.

A standard 3rd-valve auxiliary circuit and boom float expand attachment versatility — run grapples, snow blowers, brooms and more beyond the standard bucket.

A redesigned cab offers 14% more glass area for enhanced operator visibility, the new DEVELON Smart Touch display with an integrated rear-camera monitor, and an upgraded heating and cooling system for all-day comfort.

Standard Situation Awareness Technology enhances all-around jobsite awareness and operating safety, helping the operator detect people and obstacles around the machine.

Standard joystick control, or optional 3-lever fingertip control for precise, low-effort multifunction operation during long, high-cycle loading shifts.

A multi-camera Transparent Bucket system shows a see-through view of the ground past the bucket on the in-cab display — improving safety and precision when loading and maneuvering.

A standard rearview camera improves visibility; an optional around-view monitor (AVM) stitches a 360° bird's-eye view for confident operation in tight or busy jobsites.

MY DEVELON telematics is preinstalled — tracking machine location, hours, fuel use and health remotely to help manage maintenance, security and fleet utilization. An optional smart scale weighs loads on the go.

A new radiator with 40% wider fin spacing reduces clogging and makes daily maintenance easier, improving cooling performance and uptime in hot, dirty conditions.

A standard hydraulically driven reversing fan adjusts its speed depending on engine-compartment temperatures and purges the cores of debris — improving uptime protection and saving fuel.

Heavy outboard planetary axles with standard front/rear limited-slip differentials deliver traction and durability for the family's heaviest, highest-capacity loader; optional hydraulic-locking front diff.

Standard centralized lubrication, handrails (including roof-mounted), skid-resistant steps and platforms, remote drains and a laptop service port make daily checks and maintenance quick and safe.

Sealed, self-adjusting outboard wet brakes with spring-applied hydraulic release deliver fade-free stopping and long service life in demanding duty cycles.