The Cummins B6.7 engine for the Terex RT670 rough-terrain crane is a Tier 4 Interim / Tier 4 Final common-rail diesel (CM2350 platform, CPL4834, engine family D31, EPA family RCEXL06.7AAQ, cylinder block 5405093, ECM code IN10016, 160-300 hp range, up to 280 hp / 209 kW) used in heavy rough-terrain crane applications. This Terex RT670 is confirmed in OEM dealer and brochure sources to use the Cummins B6.7 and QSB6.7 (Tier 4 Final) engine family rated around ~190 hp. The Cummins B6.7 is also known as the Cummins QSB6.7 (6.7L) - the same 6.7 engine under both names - so this Terex RT670 page ranks whether a customer searches B6.7 QSB6.7 or 6.7. We supply new surplus Cummins B6.7 and QSB6.7 engines for Terex RT670 machines. This engine requires the customer to transfer external components (ECM, turbo, manifold, fuel system, injectors, flywheel housing and wiring harness) from the original engine to match the machine rating. We ship nationwide across construction recycling material handling agricultural forestry port drilling and industrial operations. Compatibility must be confirmed by original engine ESN, CPL, ECM code, horsepower rating, fuel calibration, turbo, injectors, aftertreatment, flywheel housing, oil pan, and harness before shipment. Contact us for availability pricing and nationwide shipping for Cummins B6.7 and QSB6.7 engines for the Terex RT670.