Cummins QSF2.8 Engines by Machine Application

New surplus Cummins QSF2.8 engines are in stock for the Broce RCT350 mid-mount construction sweeper. The 2.8L four-cylinder is rated 74 hp at 2500 rpm with 221 lb-ft of peak torque and meets EPA Tier 4 Final using a passive diesel oxidation catalyst that never requires regeneration. Contractors running 350 Series brooms on chip seal, milling and road construction cleanup depend on this QSF 2.8 power unit.

Heavy-duty mechanical broom sweeping puts long hours on the auxiliary engine, and the Schwarze M6 Avalanche uses the Cummins QSF2.8 rated at 74 hp to drive its dual gutter brooms and conveyor. The 2.8-liter four-cylinder meets EPA Tier 4 Final with a maintenance-free catalyst and carries the same peak cylinder pressure capability as the larger Cummins QSB4.5. New surplus QSF 2.8 stock is on the shelf.

Asphalt crews running the Dynapac CP1200 pneumatic tire roller are working behind a Cummins QSF 2.8 rated at 73.8 hp measured at 2200 rpm. This water-cooled turbocharged 2.8-liter four-cylinder drives a hydrostatic transmission with direct drive motors at the rear tires. Ballasted operating weight reaches 26,455 lb, and that load cycle puts real hours on the QSF2.8 across a paving season.

Rubber tire and asphalt compaction equipment in the sub-75 horsepower class is a core home for the Cummins QSF2.8, which delivers 73.8 to 74 hp from 2.8 liters with 221 lb-ft of peak torque. Hydrostatic roller drivelines demand strong low-speed response, and over 80 percent of peak torque is on tap early in the range. Tier 4 Final compliance needs only cooled EGR and a passive catalyst.

Wide-drum compaction on the Dynapac CP1200W pneumatic roller comes from an 81.9 inch rolling width backed by Cummins QSF 2.8 power at 73.8 hp. The 2.8-liter four-cylinder carries 221 lb-ft of peak torque and clears EPA Tier 4 Final using cooled EGR with a passive catalyst, so there is no regeneration cycle to stop a mat. New surplus QSF2.8 long blocks are stocked for this platform.

Elgin Eagle four-wheel mechanical broom sweepers drive the sweep system from a dedicated 74 hp Cummins auxiliary engine rated 55 kW at 2500 rpm. That is the QSF2.8, the only Cummins engine certified in the 49 to 74 hp Tier 4 Final node. Municipal fleets sweeping curb lines year round put heavy hours on the rear unit while chassis mileage stays low, and new surplus QSF 2.8 stock is held for them.

Dual-engine Elgin Road Wizard sweepers carry a 5.4 cubic yard hopper and a 360 gallon water tank, with all sweep functions run off a separate auxiliary diesel in the 74 horsepower class. Cummins covers that node at Tier 4 Final with the 2.8-liter QSF2.8 and its passive catalyst. Because the rear engine runs whenever the broom turns, hour accumulation outpaces the chassis by a wide margin.

Commercial paving crews running the Dynapac D14C tracked paver work behind a Cummins QSF 2.8 rated 74 hp at 2200 rpm to EPA Tier 4 Final. The machine lays a 2.60 meter basic width out to 4.30 meters at 400 tonnes per hour, with a 12 kW screed heating generator drawing off the same power unit. Dynapac also cataloged a Tier 3 QSF 2.8 at 54 kW on this platform.

Tracked commercial pavers sold as the Dynapac FC1400C II carry the Cummins QSF 2.8 at 74 hp and 2200 rpm under EPA Tier 4 Final certification. Basic paving width is 2.60 meters, extending to 4.30 meters, with 400 tonnes per hour theoretical placement capacity. This model was superseded by the D14C using the identical power unit, so both names point at the same QSF2.8 installation.

Single drum soil compaction in the eight ton class runs on the Cummins QSF2.8 across the Sakai SV414 series, rated 74 hp and 55 kW from 2.8 liters. Bore and stroke measure 94 by 100 millimeters in a water-cooled, turbocharged, direct injection four-cylinder. These machines are assembled in Adairsville, Georgia, and site prep work keeps them loaded through the full working day.

Smooth drum site work on the Sakai SV414D pairs a 67 inch compaction width with Cummins QSF2.8 power at 74 hp. The roller works cohesive clay and silt as readily as sand, gravel and crushed rockfill, holding traction on grades approaching 63 percent. Roadway subbase, parking lot prep and commercial site work all load this 2.8-liter four-cylinder continuously rather than intermittently.

Padfoot configurations of the Sakai SV414, sold as the SV414T and shell-kit SV414TF, carry the same Cummins QSF2.8 rated 74 hp at 55 kW. Maximum operating weight with padfoot drum and shell kit reaches 18,464 lb. Two frequency settings at 1,800 and 2,280 vpm let the operator match amplitude to the material, and the engine carries that load without a particulate filter or regeneration cycle.