John Deere Low Actuator Reman Turbocharger DZ114777

Description Restore OEM performance with Proturbo’s remanufactured replacement for John Deere part DZ114777, a low-actuator turbocharger with 24-volt control. Every unit is remanufactured in the USA to OE specifications, dynamically balanced, and flow-bench calibrated so your machine gets consistent boost, quick response, and long service life. Why choose Proturbo Reman OE-level fit & function — Direct replacement for DZ114777 (Low Actuator, 24V). No adapter kits or software changes required. Actuator calibrated — Electronic low actuator is inspected and set to OE stroke and voltage parameters for reliable control and smooth spool-up. (Matches the 24V spec of the OE unit.) Precision rotating group — CHRA fully rebuilt with new bearings, seals, and thrust components; VSR balanced to reduce NVH and extend life. Cleaned, machined, and validated — Housings media-cleaned, mating surfaces machined, wastegate/lever mechanisms checked, and final unit hot-tested for leaks. Backed by Proturbo — Supported by our diesel turbo specialists and straightforward core program. Applications (selected) Designed for late-model John Deere forestry and construction equipment, including:640L / 640L-II, 643L / 643L-II, 644 P-tier & X-tier, 644L / 644LH, 648L / 648L-II, 748L / 748L-II, 843L / 843L-II. Always verify by PIN/engine code before ordering. Cross-reference / supersessions Also cross-references common OE and MFG numbers used on the same application family: RE555873, DZ101175, DZ103289, plus supplier references 1263-970-0016 / -0104 / -0058, etc. What’s included Remanufactured turbocharger assembly with low actuator (24V) installed and calibrated. New mounting gaskets and O-rings (when applicable). Installation guide & return instructions for core. Recommended installation notes Update oil feed/return lines if contaminated or restricted; prime CHRA with clean oil. Verify charge-air system is leak-free; replace air & oil filters; confirm correct voltage to actuator. After install, perform an idle/soak procedure and check live data for commanded vs. actual actuator position. Core return: Standard like-for-like core required (intact housings and actuator). Cores with broken housings or missing actuators may incur deductions. Built by Proturbo. Tested to perform.Get your machine back to work with confidence.