Bondioli M4PV Closed Circuit Hydraulic Piston Pump
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of bondioli m4pv closed circuit hydraulic piston pump in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Specifications
| Type | M4PV Closed Circuit Hydraulic Piston Pump |
| Brand | XLF Hydraulic |
| Displacement | 21cc / 28cc / 34cc / 37cc / 46cc / 50cc / 58cc / 65cc |
| Working Pressure | Continuous 250-300 bar (3625-4350 PSI), Peak 350-400 bar (5075-5800 PSI) |
| Mount Flange | SAE A / SAE B standard mounting |
| Port Size | Main ports G 3/4", drain & pilot ports G 1/4" |
| Core Parts | Cylinder block, piston shoes, valve plate, retainer plate, ball guide, swash plate |
| Lubricant | ISO VG32 / VG46 anti-wear hydraulic oil |
| Application | Hydrostatic transmission for harvesters, skid steer loaders, compact loaders, agricultural & construction machinery |
Product Overview
The Bondioli M4PV is a swash‑plate variable displacement axial piston pump built for closed‑loop hydrostatic transmission systems. Covering full displacement range M4PV21, M4PV28, M4PV34, M4PV37, M4PV45, M4PV50, M4PV58, M4PV65, this series integrates a built‑in charge pump and supports multiple control configurations to fit diverse mobile working conditions.
Our interchangeable M4PV replacement pump strictly follows original mounting dimensions and performance parameters. It delivers stable high‑pressure output for agricultural machinery and compact construction equipment. Ideal drop‑in solution for equipment repair and retrofit. Contact us for technical datasheet and competitive quotation.
Core Advantages
Direct interchange for Bondioli M4PV series：Drop‑in replacement fits M4PV21, M4PV28, M4PV34, M4PV37, M4PV45, M4PV50, M4PV58, M4PV65 without modification
Closed‑circuit hydrostatic transmission design：Built for closed‑loop mobile hydraulic systems with integrated charge pump for stable circuit pressure
Multiple control options available：Supports mechanical, hydraulic, power‑limit and pressure cut‑off control for different working requirements
High‑pressure reliable performance：Consistent output for heavy‑duty agricultural and compact construction machinery
Strictly follow original mounting & port dimensions：Guarantees easy installation for equipment repair and retrofit
Complete series in stock for quick delivery：Fast response for aftermarket replacement orders worldwide
Q: What is Bondioli M4PV closed‑circuit hydraulic piston pump used for?
A: The Bondioli M4PV is a variable displacement axial piston pump designed for closed‑loop hydrostatic transmission. It is widely applied on harvesters, skid‑steer loaders and other agricultural & compact construction mobile machinery.
Q: Which models are included in Bondioli M4PV series?
A: Full M4PV series covers M4PV21, M4PV28, M4PV34, M4PV37, M4PV45, M4PV50, M4PV58, M4PV65 with displacement ranging from 21cc to 65cc/rev.
Q: Is your M4PV pump a direct drop‑in replacement for original Bondioli unit?
A: Yes. Our interchangeable M4PV closed‑circuit piston pump strictly follows original mounting flange, shaft and port dimensions, no modification needed for equipment retrofit or repair.
Q: What control options are available for Bondioli M4PV hydraulic pump?
A: The M4PV piston pump supports multiple control modes including mechanical control, hydraulic control, pressure cut‑off and power limit control to satisfy different working conditions.
Q: What is the working pressure of Bondioli M4PV series pump?
A: Continuous working pressure ranges 250‑300 bar, peak pressure reaches 350‑400 bar, stable high‑pressure performance for heavy‑duty mobile hydraulic systems.
Q: Can you provide technical datasheet for M4PV closed circuit piston pump?
A: Sure. We can offer complete datasheet with dimension drawing and performance curve upon your request for Bondioli M4PV series hydraulic piston pump.
Q: Are Bondioli M4PV replacement pumps available in stock for fast worldwide delivery?
A: Most popular M4PV models are in stock. We support worldwide shipment for aftermarket replacement orders with short lead‑time.
Q: Do you supply spare repair parts for Bondioli M4PV hydraulic piston pump?
A: Yes, we also provide repair kits including cylinder block, piston shoes, valve plate and other core components for M4PV closed‑circuit piston pump overhaul service.
Technical Specification Table
| Model | Displacementcc/rev | Continuous Pressurebar (PSI) | Intermittent Pressurebar (PSI) | Peak Pressurebar (PSI) | Max Speedrpm | Min Speedrpm | Weightkg(lbs) | Charge Pumpcc/rev | Swash‑plate Angle | Shaft Standard |
|---|---|---|---|---|---|---|---|---|---|---|
| M4PV21 | 21 | 250 (3625) | 300 (4350) | 350 (5075) | 3600 | 500 | 20 (44.0) | 9(optional12) | 18° | SAE 13T 16/32 DP |
| M4PV28 | 28 | 250 (3625) | 300 (4350) | 350 (5075) | 3600 | 500 | 20 (44.0) | 9(optional12) | 18° | SAE 13T 16/32 DP |
| M4PV34 | 34 | 300 (4350) | 380 (5510) | 400 (5800) | 3800 | 500 | 24 (52.9) | 14 | 18° | SAE 15T 16/32 DP |
| M4PV37 | 37 | 250 (3625) | 300 (4350) | 350 (5075) | 3400 | 500 | 21 (46.2) | 12 | 18° | SAE 13T 16/32 DP |
| M4PV46(Market:M4PV45) | 46 | 300 (4350) | 380 (5510) | 400 (5800) | 3800 | 500 | 25 (55.1) | 14 | 19° | SAE 15T 16/32 DP |
| M4PV50 | 50 | 300 (4350) | 380 (5510) | 400 (5800) | 3800 | 500 | 25 (55.1) | 14 | 18° | SAE 15T 16/32 DP |
| M4PV58 | 58 | 250 (3625) | 320 (4640) | 400 (5800) | 3600 | 500 | 28.9 (63.6) | 14 | 18° | SAE 15T 16/32 DP |
| M4PV65 | 65 | 250 (3625) | 320 (4640) | 400 (5800) | 3600 | 500 | 28.9 (63.6) | 14 | 18° | SAE 15T 16/32 DP |
General Common Specifications
| Item | Specification |
|---|---|
| Pump Type | Closed‑circuit variable‑displacement axial piston pump |
| Charge Pressure | 22 bar (319 PSI) standardBondioli &... |
| Main Oil Ports | G 3/4" (7/8‑14 UNF optional) |
| Drain / Pilot Ports | G 1/4" (9/16‑18 UNF optional) |
| Mounting Flange | SAE‑B standard |
| Control Options | Mechanical control, Hydraulic control, Pressure cut‑off, Power‑limiter control |
| Hydraulic Oil | ISO VG32 / VG46 anti‑wear hydraulic oil |
| Operating Viscosity | 16‑100 mm²/s |
| Working Temperature Range | -20 ℃ ~ +85 ℃ |
| Filtration Requirement | ≤10 μm |
| Typical Application | Hydrostatic transmission for harvesters, skid‑steer loaders, compact construction & agricultural mobile machinery |
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