ENGINE FAMILY SPECIFICATIONDENSO COMMON RAILEPA Tier 4 Final / EU Stage IV / Stage V

Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) Diesel Injector
Cross-Reference & Technical Specs

Authoritative technical specifications, verified Bosch part numbers, control valve stamping codes, nozzle spray orifices, and hold-down tightening torque for the Kubota V3307 diesel engine family.

Primary OEMDENSO
Control ValvePlate
Nozzle CodeG3S66
Peak Pressure1800 bar
Hold-Down Torque25 N·m
01

All Verified Part Numbers for Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)

The following 3 common-rail injector assemblies are calibrated for this engine family. Click any SKU to view individual test bench flow curves, sister cross-references, and vehicle applications.

Part Number (SKU)Primary OE ReferenceControl ValveNozzle Code
1J770-53051, 1J770-53050, 1J770-53052PlateG3S66
1J770-53050, 1J770-53051, 1J770-53070PlateG3S33
1J770-53050, 1J770-53051, 1J770-53070PlateDLLA148P985
02

Verified Vehicle Compatibility

Make / ManufacturerVehicle Model & PlatformEngine SpecificationModel Years
KubotaKX080-3T / KX080-4 Compact ExcavatorKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2011-2022
KubotaSVL75 / SVL75-2 Compact Track LoaderKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2022
KubotaSSV75 Skid Steer LoaderKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2015-2023
KubotaM6060 / M7060 Utility TractorKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2022
KubotaM8560 / M9960 Ag TractorKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2021
BobcatT590 / T595 Compact Track LoaderKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2020
BobcatS590 / S595 Skid Steer LoaderKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2020
BobcatT630 / T650 Compact Track LoaderKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2013-2020
KubotaM-Series Agricultural Tractors (M6040 to M8560)Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2010-2022
KubotaSVL Track Loaders & KX080 ExcavatorsKubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2011-2022
BobcatS-Series & T-Series Loaders (S185, T190, S630, T650)Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2011-2018
KubotaM-Series Tractors (M6040 to M9540, M6060, M7060)Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2022
KubotaCompact Track Loaders (SVL75, SVL75-2)Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2012-2022
BobcatSkid-Steer Loaders (S750, S770, S850)Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2013-2020
BobcatCompact Track Loaders (T750, T770, T870)Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)2013-2020
03

Installation, Tightening Torque & Re-torque Protocol

Strict torque compliance is mandatory on Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) common-rail cylinder heads. Over-torquing stretches the injector body or strips the head clamping threads, while under-torquing allows combustion blow-by past the copper sealing washer:

🔧 Recommended Assembly Torques:
  • Hold-down clamp bolt: 25 N·m (cold state). Always clean the cylinder head recess with an injector seat reamer.
  • High-pressure rail flare nut: 25-30 N·m using a dedicated 17 mm line wrench.
  • Return leak-off banjo bolt: 9-12 N·m with fresh copper washers on both sides of the banjo union.
⚠️ ECU IMA Coding Requirement:

After fitting replacement injectors on Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4), generate or program the cylinder-specific IMA calibration code into the engine ECU using an OEM-level scan tool (Bosch KTS, Renault CLIP, or VAG-COM) to prevent cylinder power imbalance and rough idle.

04

Technical Diagnostics FAQ for Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)

What DTC fault codes indicate a failing injector on Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4)?

The most frequent fault codes are P0201 through P0204 (Injector Circuit Malfunction on Cylinders 1-4), P2146/P2149 (Injector Group Supply Voltage Error), and P0087 (Fuel Rail Pressure Low due to excessive internal leak-off). Measure solenoid coil resistance across the pins (0.5-1.5 Ω) and perform a graduated-bottle dynamic leak-back test to pinpoint the leaking cylinder.

Can sister SKUs within the Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) family be interchanged?

Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and Plate control valve, they differ in nozzle spray orifice angle and factory IMA flow calibration. Mixing sister SKUs on the same engine block can trigger rough idle, elevated exhaust gas temperatures (EGT), and MOT emissions failure.

Which specific Bosch injectors fit the Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) engine?

The verified genuine Bosch common-rail injectors engineered for the Kubota V3307 / V3800 (3.3L & 3.8L CR-TE4) engine family are: