Quality Kubota U20-3 U25-3 Final Drive KYB MAG-18VP-230F OEM Travel Motor B0240-18076 RB511-61290 RB559-61290 RC157-78000 For Mini Excavator Parts factory

Kubota U20-3 U25-3 Final Drive KYB MAG-18VP-230F OEM Travel Motor B0240-18076 RB511-61290 RB559-61290 RC157-78000 For Mini Excavator Parts

Name: Kubota U20-3 U25-3 Final Drive KYB MAG-18VP-230F OEM Travel Motor B0240-18076 RB511-61290 RB559-61290 RC157-78000 For Mini Excavator Parts
Brand: GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED
SKU: U20-3 U25-3
Price: 475.00 USD
Availability: InStock

Place of Origin:Japan

Brand Name:Kubota

Certification:CE

Model Number:U20-3 U25-3

Minimum Order Quantity:1PCS

Price:Negotiated price

Payment Terms:T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union,MoneyGram

Supply Ability:100 PCS / Months

Product Details

Highlight:

Kubota mini excavator travel motor

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KYB MAG-18VP-230F final drive

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U20-3 excavator parts with warranty

Type: MAG-18VP-230F

Part Number: RB511-61290 RB559-61290 RC157-78000

Part Name: Final Drive Travel Motor

Application: Mini Excavator

Quality: Original Brand New

Warranty: 12 Months

Shipment: Sea / Air / Express DHL FEDEX UPS

OEM No: B0240-18076

Product Description

Product Detail Page: KYB MAG-18VP-230F Final Drive Travel Motor for Kubota U20-3 U25-3 Mini Excavator

1. Product Description

Item	Detailed Info
Product Model	KYB (KAYABA) MAG-18VP-230F Hydraulic Travel Motor / Final Drive Assy
OEM Numbers	MAG-18VP-230F, B0240-18076, RB511-61290, RB559-61290, RC157-78000
Applicable Machine	Kubota U20-3, U25-3 (2–2.5 ton mini excavator)
Quality Options	Genuine KYB Original / Premium Aftermarket Grade
Core Usage	Track drive & travel power for forward/reverse, slope & rough terrain operation
Factory Inspection	Full pressure, leakage & 2-speed function tested before delivery
Warranty	12-month warranty with free replacement for manufacturing defects
MOQ	1 piece; sample & bulk orders accepted
Lead Time	In-stock items ship within 1–3 working days
Shipping Period	Air/Express: 3–7 days; Sea freight: 30–45 days
Target Customer	Global repair shops, fleet operators & parts wholesalers

2. Key Features & Specifications

Core Key Features

Genuine KYB MAG-18VP-230F integrated travel motor & final drive, direct OEM replacement for Kubota U20-3/U25-3. High-strength alloy gearbox & piston motor deliver superior durability for heavy-duty cycles. Premium oil seals prevent leakage under extreme temps and high load. 2-speed design balances torque and speed for efficient travel. Compact, bolt-on design ensures easy installation and maintenance.

Exact Technical Specifications (Factory Standard Parameter)

Specification Item	Parameter Data
Motor Type	Axial piston, 2-speed variable
Displacement	18 cc/rev
Rated Pressure	21 MPa (210 Bar)
Max Pressure	25 MPa (250 Bar)
Rated Speed	1800 RPM
Max Speed	2400 RPM
Output Torque	~450 Nm
Gear Ratio	1:48
Net Weight	~27 KG
Mounting	Direct bolt-on, same as original
Hydraulic Ports	Matches Kubota U20-3/U25-3 standard
Recommended Oil	ISO VG46 anti-wear hydraulic fluid
Working Temp	-20℃ ~ +80℃

3. Compatibility Information

Compatible Excavator Models

Kubota U20-3, U25-3 (2–2.5 ton mini crawler excavators)

Cross Interchange OEM Part Numbers

Main OEMs: MAG-18VP-230F, B0240-18076, RB511-61290, RB559-61290, RC157-78000；Alternate: MAG-18VP-230F-3, RB51161290

Installation Remark

Complete final drive assembly (motor + gearbox), direct bolt-on replacement—no modification needed. Fully interchangeable with original KYB unit and compatible with Kubota’s hydraulic system.

4. Technical Explanation

This KYB MAG-18VP-230F combines a 2-speed axial piston motor with a planetary gearbox for high torque at low speed. It adjusts output via load-sensing control, reducing energy consumption and heat. Sealed & lubricated gearbox minimizes wear and extends service life. Ideal for urban construction, landscaping, and farm work—delivering reliable traction on mud, gravel, and slopes.

5. Supplier Advantages (Belparts)

10+ years specializing in mini excavator final drives; precise OEM/model matching.
Genuine KYB and premium aftermarket options; full-range Kubota parts for one-stop sourcing.
Belparts brand exported to 150+ countries; stable quality and global logistics support.
Guangzhou warehouse stock; CE-certified; flexible air/sea/express shipping.
Professional technical team for installation guidance and troubleshooting.

6. FAQ Section

Q1: Is this a genuine KYB travel motor?

A: We offer both genuine KYB original and premium aftermarket versions; both fit and perform like OEM.

Q2: Will it fit Kubota U20-3 and U25-3?

A: Yes, direct replacement for both models; fits left/right track without modification.

Q3: What’s covered under warranty?

A: 12-month warranty; free replacement for manufacturing defects (excludes wear parts/abuse).

Q4: Do you have units in stock?

A: Yes, regular stock available for fast sample and bulk order dispatch.

Inner Parts List

Kubota U20-3 U25-3 Final Drive KYB MAG-18VP-230F OEM Travel Motor B0240-18076 RB511-61290 RB559-61290 RC157-78000 For Mini Excavator Parts

#	Part No.	Description	Qty
010	RB559-14430	SPROCKET,DRIVE	2
020	01128-51025	BOLT	20
030	01128-51025	BOLT	22
040	RB559-61290	MOTOR,ASSY(WHEEL)	2
045	RC157-78000	REDUCER,SPEED	2
050	RB401-78050	SEAL(FLOATING)	4
060	RB401-78030	BEARING	2
070	RB511-78040	NUT,RING	2
080	RB511-78050	PLUG	4
090	07715-03205	BALL 5/32	218
100	RB511-78060	PLUG	4
110	RB511-78070	GEAR	8
120	RB401-78110	BEARING,NEEDLE	8
130	RB511-78080	BEARING,INNER	8
140	RB401-78130	WASHER,THRUST	8
150	RB401-78140	PLATE	2
160	68311-13450	SCREW CSK-HD	8
170	RB511-78090	GEAR	2
180	RB511-78100	RING,SNAP	2
190	RB511-78110	HOLDER	2
200	RB511-78120	GEAR	6
210	68311-13510	BEARING ROLLER	6
220	68311-13520	BEARING,INNER	6
230	RB511-78130	GEAR,DRIVE	2
240	RB511-78140	PLATE; 1.8mm	2
240	RB511-78150	PLATE; 2.3mm	2
240	RB511-78160	PLATE; 2.8mm	2
250	RB511-78170	COVER	2
260	RB401-78470	O RING	2
270	RB401-78310	WIRE	2
280	RB511-78180	PLUG	6
290	04817-00110	O RING	6