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Kubota U30 U35 U35S-2 Hydraulic Pump For Mini Excavator Parts RC511-76372 RC511-61115 RC511-61112 OEM Rexroth AP2D18LV1RS7-920-2 AP2D18
Place of Origin:China
Brand Name:Belparts
Certification:CE
Model Number:Kubota U30 U35 U35S-2
Minimum Order Quantity:1 PCS
Price:Negotiation
Payment Terms:L/C,D/A,D/P,T/T,WEST UNION,PAYPAL
Supply Ability:100 PCS / Months
Product Details
Highlight:
Kubota mini excavator hydraulic pump
,Rexroth hydraulic pump for excavator
,OEM excavator hydraulic pump parts
Model:
Kubota U30 U35 U35S-2
Type:
AP2D18LV1RS7-920-2 AP2D18
Part Name:
Main Hydraulic Pump
Part Number:
RC511-76372 RC511-61115 RC511-61112
Application:
Excavator
Condition:
New
Quality:
OEM
Warranty:
12 Months
Shipment:
Sea / Air / Express DHL FEDEX UPS
Product Description
Kubota U30 / U35 / U35S-2 Main Hydraulic Pump
RC511-76372 / RC511-61115 / RC511-61112 | Rexroth AP2D18LV1RS7-920-2 | Aftermarket New | BELPARTS
1. Basic Information
- Part Name: Rexroth/Uchida AP2D18 tandem variable displacement piston pump (main pump + built‑in pilot gear pump)
- OEM Numbers:
- Kubota: RC511-76372, RC511-61115, RC511-61112
- Rexroth/Uchida: AP2D18LV1RS7-920-2, AP2D18
- Fits Models:
- Kubota U30, U35, U35S-2 (3–3.5 ton mini excavator)
- Also compatible with KX030-4, KX033-4 (same hydraulic system)
- Condition: Aftermarket New (100% tested, interchangeable with OEM)
- Warranty: 12 months
- Weight: ~30 kg
- Stock: In stock, ships 3–7 working days
- Brand: BELPARTS (replacement for Rexroth / Kubota OEM)
2. Key Features
- Rexroth AP2D18 Original Design: Exact match for U30/U35 factory specs
- Compact Tandem Pump: Dual variable pistons + integrated pilot gear pump
- Load‑Sensing Control: Optimized for Kubota D1703 engine (20.5 kW / 27.5 hp)
- Direct Bolt‑On Replacement: No modification needed for U30/U35S-2
- High Efficiency & Durability: For mini‑excavator heavy‑cycle applications
- BELPARTS Quality: Full pressure, leakage, and performance tested; CE certified
3. Technical Specifications (AP2D18LV1RS7)
- Pump Type: Tandem variable axial piston pump (open‑circuit)
- Displacement: 2 × 18 cm³/rev
- Rated Pressure: 24.5 MPa (245 bar)
- Max Pressure: 31.4 MPa (314 bar)
- Rated Flow: 2 × 18 L/min @ 2,200 rpm
- Pilot Pump: Integrated gear pump, 3–5 L/min, 3.0 MPa
- Rotation: Clockwise (CW, engine side)
- Mounting: SAE A flange, 4‑bolt
- Drive Shaft: 13‑tooth spline
4. Compatibility & Cross Reference
- Fits: Kubota U30, U35, U35S-2, KX030-4, KX033-4
- Interchange P/N:
- Kubota: RC511-76372, RC511-61115, RC511-61112
- Rexroth/Uchida: AP2D18, AP2D18LV1RS7-920-2
5. BELPARTS Advantages
- 13+ years in 3–4 ton Kubota mini‑excavator hydraulic pumps
- Strict QC: 100% pressure, leakage, and efficiency testing
- Guangzhou warehouse stock, fast sea/air shipping
- Professional technical support & installation guidance
- Cost‑effective alternative to genuine Rexroth/Kubota
6. FAQ
Q1: Does it fit U35S-2 as well?
A: Yes, same pump assembly for U30 / U35 / U35S-2.
Q2: Is this the same as the original Rexroth AP2D18?
A: Yes, it’s a direct aftermarket replacement for the OEM AP2D18LV1RS7.
Q3: What’s the lead time?
A: In stock, ships within 3–7 working days; air/sea shipping available.
| # | Part No. | Description | Qty |
|---|---|---|---|
| 010 | RC511-61115 | ASSY PUMP PISTON; Serial No. >=30531; Replacement | 1 |
| 010 | RC511-61112 | ASSY PUMP PISTON; Serial No. <=30530 | 1 |
| 020 | RC411-76312 | ASSY SAHFT; Serial No. >=30531; Replacement | 1 |
| 020 | RC411-76310 | ASSY SHAFT; Serial No. <=30530 | 1 |
| 030 | RC411-79010 | SHAFT | 1 |
| 040 | RP421-79020 | CASE,SEAL; Serial No. <=30530 | 1 |
| 040 | RP421-79022 | CASE, SEAL; Serial No. >=30531; Replacement | 1 |
| 050 | RP421-79030 | BEARING | 1 |
| 060 | 04612-00250 | CIR-CLIP EXTERNAL | 2 |
| 070 | RP421-79040 | O RING; Serial No. <=30530 | 1 |
| 070 | RP421-79042 | O-RING; Serial No. >=30531; Replacement | 1 |
| 080 | 04611-00620 | SNAP RING INTERNAL | 1 |
| 100 | RP421-76320 | ASSY HOUSING | 1 |
| 110 | RP421-79060 | HANGER | 1 |
| 120 | RP421-79070 | COVER | 1 |
| 130 | 01311-10616 | SCREW,HEX SOC CAP | 4 |
| 140 | 04811-50550 | VOLUTE CASING O'RING | 1 |
| 150 | RP421-76330 | ASSY ROTARY | 1 |
| 160 | RC411-76340 | ASSY COVER; Serial No. <=30530 | 1 |
| 160 | RC411-76342 | ASSY COVER; Serial No. >=30531; Replacement | 1 |
| 170 | RC411-79080 | COVER | 1 |
| 180 | RP421-79090 | PLATE, CONTROL | 1 |
| 190 | 01311-11030 | SCREW,HEX SOC CAP | 3 |
| 195 | RC441-79100 | ORIFICE | 3 |
| 200 | RP421-79100 | PLUG | 3 |
| 205 | 04817-00080 | O RING; Serial No. <=30530 | 1 |
| 205 | RC441-79450 | O-RING; Serial No. >=30531; Not Interchangeable | 1 |
| 210 | RP421-79110 | GASKET | 1 |
| 220 | 01311-11050 | SCREW,HEX SOC CAP | 1 |
| 230 | 01311-11055 | SCREW,HEX SOC CAP | 1 |
| 240 | RC411-76350 | ASSY SPRING | 1 |
| 250 | RP421-79130 | SEAT, SPRING | 1 |
| 260 | RC411-79140 | SEAT, SPRING | 1 |
| 270 | RC441-79150 | COVER | 1 |
| 280 | RP421-79160 | SCREW, ADJUST | 1 |
| 290 | RC411-79170 | SPRING | 1 |
| 300 | RP421-79180 | SPRING | 1 |
| 310 | 04816-00300 | O RING | 1 |
| 320 | 01311-10830 | SCREW,HEX SOC CAP | 2 |
| 330 | RP421-79190 | NUT | 1 |
| 340 | RP421-79200 | SHIM; 0.30mm | 1 |
| 340 | RP421-79220 | SHIM; 1.00mm | 1 |
| 340 | RP421-79210 | SHIM; 0.50mm | 1 |
| 350 | RC511-76360 | PISTON, ASSY | 1 |
| 360 | RC411-79230 | CYLINDER | 1 |
| 370 | RC511-79240 | PISTON | 1 |
| 380 | RP421-79250 | PIN, STRAIGHT | 2 |
| 390 | RC411-79260 | PIN, STRAIGHT | 1 |
| 400 | 01311-10825 | SCREW,HEX SOC CAP | 2 |
| 410 | RP421-79270 | O-RING | 1 |
| 420 | RP421-79280 | O-RING | 1 |
| 430 | RP421-79290 | O-RING | 1 |
| 440 | RP421-79300 | SPRING, PLATE | 3 |
| 450 | RP421-79310 | SEAT SPRING | 1 |
| 455 | RC511-76372 | ASSY PUMP,GEAR; Serial No. <=30530 | 1 |
| 455 | RC511-76375 | ASSY PUMP, GEAR; Serial No. >=30531; Replacement | 1 |
| 460 | RC411-79323 | ASSY PUMP, GEAR | 1 |
| 480 | RC541-79330 | HOUSING; Serial No. <=30586 | 1 |
| 480 | RC541-79332 | HOUSING; Serial No. >=30587; Replacement | 1 |
| 510 | RC411-79410 | COUPLING | 1 |
| 520 | RC411-79420 | BUSH | 1 |
| 530 | RP421-79430 | O-RING | 2 |
| 540 | RC441-79430 | O RING | 1 |
| 550 | RP421-79440 | SQUARE, RING | 1 |
| 560 | RP421-79450 | SQUARE RING | 2 |
| 570 | 01311-11080 | SCREW,HEX SOC CAP | 4 |
| 580 | 01311-11025 | SCREW,HEX SOC CAP | 2 |
| 590 | RC411-79470 | PIN, STRAIGHT | 2 |
| 600 | RC411-79480 | O-RING | 1 |
| 610 | RC411-79490 | O RING; Serial No. <=30530 | 1 |
| 610 | RC411-79492 | O-RING; Serial No. >=30531; Replacement | 1 |
| 620 | RC411-79500 | O RING; Serial No. <=30530 | 1 |
| 620 | RC411-79502 | O-RING; Serial No. >=30531; Replacement | 1 |
| 630 | 04817-00100 | O RING; Serial No. <=30530 | 1 |
| 630 | RC441-79440 | O-RING; Serial No. >=30531; Not Interchangeable | 1 |
| 640 | RC411-76430 | PLUG | 1 |
Overall Rating
5 star
100%
4 star
0
3 star
0
2 star
0
1 star
0
All Reviews
-
JThis OEM-quality hydraulic pump fits my machine perfectly, and it runs very well on it.
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