095000-9770
095000-9770 Denso Kubota V3307 Injector: 1J770-53051 Specs
1J770-53050, 1J770-53051, 1J770-53070, 1J770-53071, 1J770-53072, 1J770-53074, 7000767, 7256789PlateDLLA148P9851800 barProduct Overview
The Denso 095000-9770 common rail diesel injector is an OEM high-pressure unit manufactured for Kubota V3307-CR-TE4 and V3307-CR-TIE4 3.3-liter turbocharged industrial engines. Widely equipped on Kubota M-Series utility tractors (M6040, M7040, M8540, M9540, M7060), Kubota SVL75 track loaders, and Bobcat commercial machinery (S750, S770, T750, T770, E85), this G3 solenoid injector operates at operating pressures up to 1800 bar (26,100 psi). The internal hydraulic system integrates a precision-matched DLLA148P985 multi-hole nozzle and a hardened #10/#29 orifice valve plate assembly, delivering multi-pilot, main, and post-injection events for optimized combustion efficiency and stringent particulate matter compliance.
Crucial Workshop Notice: Denso 095000-9770 (Kubota 1J770-53051 / 1J770-53070) operates under Tier 4 Final / Stage IV high-precision injection timing. Always inspect high-pressure rail pipe seating and replace cylinder copper washer (1J770-53620, 1.5 mm). ECU recalibration with the 30-digit Denso QR code is mandatory via Kubota Diagmaster or Bobcat Service Analyzer to prevent DPF premature clogging and cylinder knocking.
Vehicle & Engine Fitment
| Vehicle | Engine | Years |
|---|---|---|
| Kubota M-Series Tractors (M6040 to M9540, M6060, M7060) | Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) | 2012-2022 |
| Kubota Compact Track Loaders (SVL75, SVL75-2) | Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) | 2012-2022 |
| Bobcat Skid-Steer Loaders (S750, S770, S850) | Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) | 2013-2020 |
| Bobcat Compact Track Loaders (T750, T770, T870) | Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) | 2013-2020 |
Technical Specifications
| Specification | Value |
|---|---|
| INJECTOR TYPE | Common Rail Injector |
| SYSTEM PLATFORM | CRI |
| CONTROL VALVECore Spec | |
| NOZZLE CODECore Spec | |
| OPERATING PRESSURECore Spec |
Frequently Asked Questions
Which Kubota tractors and Bobcat skid steers use Denso injector 095000-9770?
Denso 095000-9770 is designed for Kubota V3307-CR-TE4 and V3307-CR-TIE4 (3.3L, Tier 4 Final / Stage IV) common rail diesel engines. It powers Kubota M6040, M7040, M8540, M9540, M6060, M7060 tractors, Kubota SVL75-2 and SSV75 loaders, and Bobcat S750, S770, S850, T750, T770, T870 loaders and E85 excavators from 2012 to 2022.
What are the genuine Kubota OE part numbers for Denso 095000-9770?
Official Kubota part numbers include 1J770-53051, 1J770-53070, 1J770-53050, and 1J770-53052. The injector assembly features the Denso DLLA148P985 nozzle and operates at 1,800 bar rail pressure.
Is QR compensation coding required when installing 095000-9770 on Tier 4 Kubota engines?
Yes. The 30-digit alpha-numeric QR code on the electrical connector must be written to the engine ECU using Kubota Diagmaster or Bobcat Service Software. Precise QR calibration is mandatory on Tier 4 Final engines to maintain tight DPF and DOC soot balance.
What is the hold-down clamp torque specification for Denso 095000-9770?
Torque the hold-down clamp bolt to 30 N·m. Always install a new genuine Kubota 1.5 mm copper washer (part number 1J770-53620) and verify that the injector nozzle seat is completely free of carbon build-up.
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
Injector Circuit Malfunction / Open Circuit
Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.