<p>Get your Kubota KX080-3/4 or Bobcat S650 back online fast with full OEM-equivalent reliability — no more downtime waiting for slow OEM lead times or risking counterfeit rebuild kits. The <strong>V3307 engine overhaul kit</strong> includes a fully heat-treated alloy crankshaft and four precision-balanced connecting rods, ensuring proper journal alignment and eliminating premature bearing wear — a critical detail many suppliers overlook.</p> <ul> <li>Fits V3307, V3307T, V3307-DI, and Tier 4-compliant variants (V3307-CR-TE4-SL2-Q)</li> <li>Complete standard-spec rebuild: liners, pistons, rings, valves, bearings, gaskets & bushings — all pre-matched</li> <li>Ready to ship from Guangzhou warehouse — 1-piece MOQ, 2–5 working day dispatch on in-stock orders</li> <li>Backed by 12-month warranty and technical verification support before you order</li> </ul>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
| Parameter | Details |
|---|---|
| Part Name | V3307 Engine Overhaul Kit with Crankshaft & 4 Connecting Rods |
| Brand Compatibility | Kubota, Bobcat |
| Engine Fitment | V3307, V3307T, V3307-DI, V3307-DI-TE3, V3307-CR-TE4-SL2-Q (Tier 4), V3307-CR-TE4-SL2 |
| Machine Model Fitment | Kubota KX080-3, KX080-4, SSV75, SSV75C, SSV75P, SSV75PC, M6040, M6060, M7060; Bobcat S630, S650, T650 |
| Content | 1x Crankshaft (Alloy steel), 4x Connecting Rods, 1x Gasket Kit, 1x Cylinder Liners (semi-finished), 1x Piston Set (standard), 1x Piston Pin Set, 1x Snap Ring Set, 1x Rod Bushing Set, 1x Piston Ring Set (standard), 1x Main Bearing Set (standard), 1x Rod Bearing Set (standard), 1x Thrust Washer Set (standard), 1x Intake/Exhaust Valve Set, 1x Valve Guide Set, 1x Valve Seat Set (intake/exhaust) |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Industrial-grade corrugated box with custom-cut foam inserts |
| Brand | Applicable Models |
|---|---|
| Kubota | KX080-3, KX080-4, SSV75, SSV75C, SSV75P, SSV75PC, M6040, M6060, M7060 |
| Bobcat | S630, S650, T650 |
Every hour your excavator or skid steer sits idle costs hundreds — even thousands — in lost productivity and contract penalties. Counterfeit or substandard overhaul kits cause premature bearing failure, oil pressure loss, and cylinder scoring within weeks. OEM rebuild kits demand 3–4 weeks lead time and carry 40% price premiums — delaying critical maintenance during peak season.
This V3307 engine overhaul kit is manufactured exclusively in ISO 9001-certified factories and undergoes full pre-shipment performance testing: crankshaft hardness verification (HRC 52–56), rod bolt torque validation, and cylinder liner roundness inspection (≤0.02 mm deviation). Designed for high-load excavation and skid steer applications, it restores full compression, oil pressure, and thermal efficiency — just like original factory specifications. With 10 years’ experience supplying Kubota and Bobcat operators across 120+ countries, XUNPO delivers proven reliability, not promises.
This kit supports heavy-duty operation in construction sites, demolition zones, quarry loading, port material handling, and municipal infrastructure projects. In a Kubota KX080-4 excavator, the V3307 engine runs continuously under 18–22 bar combustion pressure and 95–105°C coolant temperatures; in a Bobcat S650 skid steer, it endures frequent stop-start cycles and hydraulic load spikes up to 3,500 psi. Selecting a correctly spec’d crankshaft and rod set prevents main journal wear, connecting rod fatigue, and catastrophic crankcase failure — ensuring uptime where it matters most.
The crankshaft is forged from alloy steel (SAE 4340 equivalent) and heat-treated to HRC 52–56 — delivering 2.3× higher fatigue resistance than cast iron alternatives. Each connecting rod is precision-machined with ±0.005 mm dimensional tolerance and shot-peened for surface compressive stress, reducing micro-crack initiation under cyclic loading. Cylinder liners are semi-finished to allow final honing per machine-specific bore geometry, guaranteeing perfect piston ring seal and preventing blow-by. All bearings use tri-metal composition (steel backing + copper-lead overlay + indium-tin top layer) for optimal embeddability and conformability under boundary lubrication conditions typical in older engines.
A $120 counterfeit crankshaft may save $80 upfront — but causes main bearing seizure in under 200 operating hours, triggering $2,400 in labor, $1,100 in additional parts, and 3 days of equipment downtime. Industry data shows that non-OEM-equivalent rebuild kits increase total cost of ownership (TCO) by 210% over 12 months due to repeat failures and unplanned service calls. This V3307 rebuild kit meets ISO 3733 (oil sealing), ISO 6817 (bearing clearance), and Kubota’s internal TIR standards — meaning lower TCO, predictable maintenance intervals, and verified compatibility with Tier 4 emission control systems. It is a true Kubota V3307 standard overhaul kit with 4 rods — engineered for longevity, not compromise.
- We source only from ISO 9001-certified factories; all incoming materials undergo 100% dimensional and metallurgical verification.
- Every V3307 overhaul kit is tested for crankshaft runout (≤0.03 mm), rod big-end clearance (0.02–0.05 mm), and gasket sealing integrity before shipment.
- 3–12 month warranty covers replacement or full refund for any manufacturing defect — no paperwork delays.
- 10 years exporting to North America, EU, Southeast Asia, Africa, and South America — verified by 1,200+ repeat customers.
- Our 20-person technical team includes certified diesel mechanics and Kubota/Bobcat application engineers — part confirmation delivered within 2 hours.
- Guangzhou warehouse holds 10,000+ SKUs; this V3307 engine overhaul kit ships in 2–5 working days — no backorders, no exceptions.
Your Kubota KX080-4 or Bobcat S650 shouldn’t wait weeks for an engine rebuild. Send us your machine model, quantity, and destination — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample kit for physical verification before bulk order. The sooner you act, the sooner your machine returns to productive work — and every day counts when the job site is waiting.
Q: Is this an original Kubota or Bobcat OEM part?
A: No — it is an OEM-equivalent aftermarket kit, produced in ISO 9001-certified factories to match original fit, form, function, and performance specifications.
Q: How do I confirm this fits my exact machine?
A: Provide your machine model (e.g., KX080-4), engine serial number if available, and year of manufacture — our technical team confirms compatibility within 2 hours.
Q: What is the warranty coverage?
A: 3–12 months against manufacturing defects. If a component fails due to material or workmanship, we replace it at no cost — no restocking fees.
Q: What is the minimum order quantity?
A: 1 piece. We support urgent maintenance needs with no MOQ restrictions.
Q: How fast can I receive the kit?
A: In-stock items ship from Guangzhou within 2–5 working days. Express shipping options deliver to most destinations in 3–7 business days.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample kit for physical evaluation and fitment testing prior to full order.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
<p>Each component in this overhaul kit is verified against the engine's rebuild history before dispatch to prevent oversize or undersize mismatch.</p>
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View DetailsSend us your inquiry and our technical team will verify the part and provide a competitive quote within 24 hours. MOQ starts from 1 piece.
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