Connecting Rod 119E10-23001 for Yanmar 3TNV88 3TNV80 – Verified Fitment

Variant-Level Fitment Confirmed — cross-reference tables for 119E10-23001 and 119E10-23000 verified against specific 3TNV80F sub-model serial ranges before dispatch.

Technical Specifications

Application Suitability

Why the Same Base Number Ships in Multiple Variants

A connecting rod for Yanmar 3TNV88 3TNV80 is not a universal drop-in across every sub-model suffix.

When I worked in the Yangtze Delta warehouse, I processed a batch of orders for this exact engine family. A buyer requested a rod using the older reference 119E10-23000. The parts catalog showed it as an interchange reference for 119E10-23001, but the physical dimensions on certain early-build 3TNV80F blocks required the updated cap profile found only on the newer number. We caught the mismatch during the pre-dispatch dimensional check. Sending the wrong variant means the machine stays down while you wait for a return and reshipment [NEED_CITE: engine component interchangeability protocols for mobile machinery]. Relying on copied cross-reference tables without verifying the specific serial range leads to trial fitment on site, which damages the crankpin scoring if forced.

Sub-Model Suffix Verification

Identifying the correct Connecting Rod for Yanmar 3TNV88 3TNV80 requires looking past the main engine badge. The 3TNV80F series includes variants like NGGEHR, NXDGZ, and SPSPT. Each suffix can indicate a different application—industrial, generator, or marine—which sometimes dictates a different bushing material or bolt grade. We verify the exact sub-model against our fitment matrix to ensure the rod you receive matches the block casting and crankshaft assembly currently in your machine.

Physical Interface Dimensions

The critical check is the big-end bore and the small-end bushing. Our rods maintain a big-end bore tolerance of ±0.005 mm to ensure proper oil film thickness on the crankpin. The small-end sintered bronze bushing features oil-retention grooves that must align with the piston pin lubrication path. Before we ship, we confirm these dimensions against the known specifications for your specific 3TNV80F variant. If your previous rebuild used an undersized crankpin, we need to know so we can supply the correct bearing shell grade to match this rod [NEED_CITE: crankshaft journal regrind standards and bearing shell grading].

Understanding the Material and Treatment Specs

The SAE 1045 medium-carbon steel provides the necessary tensile strength to handle the combustion loads in these compact diesel engines. The shot-peened beam treatment introduces compressive residual stress on the surface, which inhibits crack initiation under cyclic loading—a common failure point in rods that skip this step. The phosphate conversion coating is not just for shelf life; it aids in initial break-in by providing a mild anti-scuff layer during the first few seconds of operation before full hydrodynamic lubrication establishes.

The Cost of Ignoring Serial Range Differences

Ordering a rod based solely on the base engine family without checking the suffix often results in a physical mismatch at the bolt holes or the cap mating surface. Forcing a rod onto a journal it does not fit crushes the bearing shell instantly, blocking oil passages. This leads to a spun bearing within the first hour of operation, requiring a complete teardown to clean the metallic debris from the oil galleries and sump. The labor cost of that second failure far exceeds the time spent verifying the serial number upfront.

Verification Before Commitment

We keep this Connecting Rod for Yanmar 3TNV88 3TNV80 in our Guangzhou facility, ready for dimensional verification against your specific engine serial. Our technical team checks the cross-reference validity, confirming whether 119E10-23000 is truly interchangeable for your specific build date or if 119E10-23001 is the mandatory replacement. We support identification from a worn nameplate or a photograph of the block casting number. You can order a single sample unit to physically check the fitment on your machine before committing to a fleet-wide overhaul order.

Documentation & Verification

• Commercial invoice listing the specific 3TNV80F sub-model for customs clearance.
• Cross-reference sheet mapping 119E10-23001 and 119E10-23000 with application limits noted (reference only).
• Dimensional inspection record showing big-end bore and small-end bushing checks.
• Six-month warranty terms covering material and machining defects.
• Packing photographs showing anti-rust oil application and vacuum sealing.

Fitment Check Before Installation

• Measure crankpin journal diameter and out-of-roundness before fitting the new rod.
• Check piston pin clearance in the small-end sintered bronze bushing.
• Verify cap-to-rod alignment marks match perfectly before torquing bolts.
• Perform a plastic-gauge check to confirm oil clearance is within spec.
• Rotate the crankshaft by hand to detect binding or interference.

Request Fitment Verification

Send us your machine model and the engine serial number stamped on the block, or provide a clear photo of the nameplate. We will cross-reference your specific 3TNV80F variant against our fitment matrix and confirm whether 119E10-23001 is the correct part for your build. If your nameplate is unreadable, photos of the old rod's machining marks or bolt configuration help us narrow down the production series.

Frequently Asked Questions

Q: How do I confirm this connecting rod fits my specific Yanmar engine variant? A: The base model 3TNV80 or 3TNV88 is not enough. You need the full suffix, like 3TNV80F-NXDGZ, found on the engine nameplate or block casting. We use this full string to verify the big-end bore and bushing specifications match your specific build configuration.

Q: The old part number on my rod is 119E10-23000 — is 119E10-23001 the correct replacement? A: In many cases, yes, as they serve as an interchange reference. However, certain early-build engines or specific industrial applications may have transitioned to the newer number for improved durability. We verify the swap is valid for your serial range before shipping.

Q: Why do some listings show different sub-models under the same base number? A: Yanmar uses the 3TNV80F base for everything from mini-excavators to gensets. The sub-model suffix indicates the specific tuning and component package. A rod from a marine variant might have different corrosion protection or bolt specs than one for a compact excavator, even if the base casting looks identical.

Q: I only have the machine model, not the engine number — can you still identify the right part? A: Often, yes. We maintain a database linking equipment models (like specific mini-excavators or skid steers) to the engine serial ranges installed at the factory. Providing the machine model and year helps us narrow down the likely engine variant and confirm fitment.

Q: Can I get a sample to check fitment before ordering for the whole fleet? A: Absolutely. We recommend ordering one rod first to verify the physical interfaces—big-end bore, small-end bushing, and bolt pattern—against your actual engine. Once you confirm the fit, we proceed with the bulk order using the verified specifications.