Link‑Belt 3400Q Hydraulic Boom Cylinder | Part #KBV0932 / KBV0931 | Aftermarket High Quality
Paragraph 1: Product Overview & Key Details
This aftermarket hydraulic boom cylinder (KBV0932 = Left Hand / KBV0931 = Right Hand) is a direct OEM replacement for Link‑Belt 3400Q (Quantum) excavators. Designed as the main lifting component of the boom system, it delivers strong, stable thrust for heavy lifting, boom raising/lowering, and load holding. Ideal for earthmoving, quarrying, road construction, and general infrastructure jobs, it meets the demands of medium‑to‑heavy duty operations. Manufactured to strict original specifications, it features precise mounting dimensions, matched hydraulic ports, and heavy‑duty construction for bolt‑on installation and long service lifeLink-Belt ExcavatorsLink-Belt Excavators.
| Parameter |
Basic Product Information |
| Application |
Excavator boom hydraulic system; earthmoving, quarrying, road & infrastructure |
| Product Name |
Hydraulic Boom Cylinder (LH / RH) |
| Compatible Model |
Link‑Belt 3400Q (Quantum) |
| Part Numbers |
KBV0932 (LH) / KBV0931 (RH) |
| Product Grade |
Premium aftermarket replacement |
| Certifications |
ISO9001, CE |
| Warranty |
12‑month full quality warranty |
| MOQ |
1 piece |
Paragraph 2: Technical Specifications (OEM‑matched data)
All parameters are calibrated to 3400Q’s hydraulic requirements, ensuring seamless integration and reliable performanceLink-Belt ExcavatorsLink-Belt Excavators.
| Specification |
Technical Data |
| Cylinder Bore |
130 mm (5.1 in) |
| Piston Rod Diameter |
90 mm (3.5 in) |
| Working Stroke |
1,278 mm (50.3 in) |
| Rated Operating Pressure |
32.0 MPa (4,550 psi) |
| Hydraulic Test Pressure |
48.0 MPa (approx. 7,000 psi) |
| Cylinder Barrel |
Forged seamless alloy steel, high pressure & impact resistant |
| Piston Rod |
Heat‑treated alloy steel, hard chrome plated, anti‑wear & corrosion‑resistant |
| Seal Set |
High‑pressure multi‑lip composite seals, oil & aging resistant |
| Surface Finish |
Electrophoretic anti‑rust + weather‑resistant topcoat |
| Operating Temp |
-20°C to 80°C |
| Design Life |
8,000+ working hours under heavy load |
| Oil Compatibility |
Matches Link‑Belt OEM hydraulic fluids |
Paragraph 3: Why Choose This Boom Cylinder
- Exact OEM Fit: LH (KBV0932) / RH (KBV0931) dimensions, mounting points, and hydraulic ports match original parts without modification.
- Heavy‑Duty Build: Reinforced barrel and thick chrome rod handle high pressure, frequent lifting, and harsh site conditions, reducing downtime.
- Rigorous Testing: Every unit undergoes pressure testing, cycle testing, and dimensional inspection; ISO9001 and CE certified.
- Flexible Supply: Single‑piece orders accepted for emergency repairs. Air express (3–7 days) or sea freight (30–45 days) available.
Paragraph 4: Brand Introduction
Belparts is a global supplier of aftermarket excavator hydraulic components with 10+ years of experience. We specialize in high‑quality, cost‑effective cylinders for major brands including Link‑Belt, Kobelco, CASE, and more. Our parts are widely used by construction companies and dealers worldwide, backed by stable quality and professional service.
Paragraph 5: FAQ
- Q: Which excavator does this fit?
A: Link‑Belt 3400Q (Quantum) only; KBV0932 = LH, KBV0931 = RH.
- Q: Will it work with the original hydraulic system?
A: Yes—all dimensions and performance parameters follow OEM standards.
- Q: What certifications do you have?
A: ISO9001 and CE certified.
- Q: Can I order one piece?
A: Yes, MOQ is 1 piece for urgent maintenance.
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