V3307 Engine Overhaul Kit with Crankshaft & 4 Rods for Kubota KX080-3/4

Product Specifications

Compatible Models

Tired of Engine Downtime? Get the Genuine V3307 Overhaul Kit for Kubota KX080-3/4 and Bobcat T650

Every hour your excavator or skid steer sits idle costs hundreds — sometimes thousands — in lost productivity and rental penalties. Counterfeit V3307 rebuild kits fail within weeks due to undersized crankshafts, soft bearing alloys, and non-machined cylinder liners. OEM parts take 3–4 weeks to arrive, delaying critical repairs during peak construction season.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This V3307-DI standard overhaul kit is manufactured in ISO 9001-certified factories and tested pre-shipment for dimensional accuracy, hardness consistency, and bearing clearance compliance. Built for Kubota KX080-3/4 engine rebuilds and Bobcat T650 connecting rod replacement, it delivers full performance restoration without OEM price premiums. With 10 years’ experience supplying engine kits to repair centers across North America, Europe, and Southeast Asia, we ensure every component meets original tolerances — down to ±0.01 mm on rod journals and crankshaft runout.

Where This Part Works

This kit supports high-utilization applications: urban excavation in tight spaces, quarry loading under abrasive dust conditions, port material handling with continuous duty cycles, and demolition site operations subject to shock loads and thermal cycling. In these environments, crankshaft fatigue resistance and rod bolt tensile strength directly impact time-between-overhauls (TBO). The alloy crankshaft and heat-treated connecting rods maintain integrity at sustained 2,800 rpm operation and peak combustion pressures up to 145 bar — matching OEM design limits.

Engineering Details That Matter

The crankshaft is forged from 42CrMo alloy steel (hardness HRC 28–32) — not cast iron — ensuring superior fatigue life under torsional stress. All connecting rods are machined from 40Cr steel with precision-ground big-end bores (tolerance ±0.005 mm) to prevent bearing edge loading. Cylinder liners are semi-finished gray cast iron (HT250) with honed internal surfaces (Ra ≤ 0.8 µm) for optimal ring seating and oil retention. Main and rod bearings use tri-metal construction (steel backing + copper-lead alloy + indium-tin overlay) meeting SAE J300 and ISO 6826 specifications for load capacity and embeddability.

The Real Cost of Wrong Parts

A $200 counterfeit V3307 crankshaft may save $400 upfront but risks catastrophic failure after 150 operating hours — triggering $3,200 in labor, $1,800 in collateral damage to pistons/valvetrain, and $5,000+ in project delay penalties. Our V3307 overhaul kit eliminates that risk: each component complies with ISO 8536-2 (cylinder liner surface finish), ISO 4287 (surface roughness), and OEM torque and interference fit specs. Total cost of ownership drops by 37% over 3 years versus low-tier alternatives — verified by fleet operators managing 12+ Kubota KX080 units across Australia and Saudi Arabia.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually labeled components sealed in anti-static polybags, secured in custom-cut EPE foam trays inside double-walled corrugated shipping boxes
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–5 days), air freight (7–10 days), sea freight (25–35 days)
• Real-time tracking provided via email and WhatsApp upon dispatch
• MOQ: 1 piece — no minimum order value, supporting urgent field repairs

Get Your V3307 Overhaul Kit Now

Your KX080-4 won’t wait — neither should your parts order. Send us your machine model (e.g., “Kubota KX080-4”), required quantity, and destination country. You’ll receive a formal quotation within 24 hours. First-time buyers can request a sample kit for physical verification before bulk purchase. Every day delayed is another day your equipment isn’t generating revenue.

Frequently Asked Questions