
Casappa KP30 Hydraulic Gear Pump KP30.22 KP30.24 KP30.27 KP30.29 KP30.31 KP30.34 KP30.38 KP30.41 993303M
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of casappa kp30 hydraulic gear pump kp30.22 kp30.24 kp30.27 kp30.29 kp30.31 kp30.34 kp30.38 kp30.41 993303m 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 | KP30.22/24/27/29/31/34/38/41 |
| Brand | XLF Hydraulic |
| Max Output Torque Range | 35–135 N.m |
| Rated Working Pressure | 210 bar (21 MPa) |
| Peak Pressure | 300 bar (30 MPa) |
| Mount Flange | Standard Casappa KP30 OEM interchange flange |
| Port Size | G3/8, G1/2 hydraulic port |
| Built-in Parts | Gear pair, balance plate, cast iron housing, seal kit |
| Recommended Oil | ISO VG32 / VG46 anti-wear hydraulic oil |
Product Overview
This page supplies Casappa KP30 hydraulic gear pump, full displacement variants including KP30.22, KP30.24, KP30.27, KP30.29, KP30.31, KP30.34, KP30.38, KP30.41, matched spare part number 993303M for direct OEM replacement.
As a professional China hydraulic pump manufacturer, we provide aftermarket interchangeable KP30 gear pumps for global hydraulic distributors, machinery repair workshops and equipment OEMs across Europe, Southeast Asia, North America and Australia.
KP30 series external gear pump adopts cast iron housing, pressure balance plates and wear-resistant seal components. It supports 210 bar rated working pressure and 300 bar peak pressure, delivering stable volumetric efficiency and low-noise continuous operation. Standard Casappa OEM interchange flange with optional G3/8 & G1/2 hydraulic ports, compatible with ISO VG32 / VG46 anti-wear hydraulic oil.
Our wholesale Casappa KP30 hydraulic spare parts are in stock, with 12-month warranty and fast worldwide shipping for bulk importers.
Core Advantages
1.Full Model Compatibility for Direct OEM Replacement
Cover complete KP30 displacement lineup: KP30.22, KP30.24, KP30.27, KP30.29, KP30.31, KP30.34, KP30.38, KP30.41, matching part number 993303M. Interchangeable with original Casappa KP30 hydraulic gear pump, no extra modification required for construction machinery maintenance.
2.Stable High-Pressure Performance
Supports 210 bar rated working pressure and 300 bar peak pressure. Equipped with pressure balance plates and wear-resistant gear pairs, maintaining high volumetric efficiency under long heavy-load operation, ideal high-pressure hydraulic spare parts for global equipment operators.
3.Durable & Low-Failure Construction
Adopt thick cast iron housing, heavy-duty sealing kits and anti-wear internal components. Features low noise output and strong contamination resistance, greatly extending service life to reduce replacement frequency for wholesale distributors and repair shops worldwide.
4.Standardized Universal Installation Structure
Comes with standard Casappa OEM interchange mounting flange, optional G3/8 & G1/2 hydraulic ports. Matches ISO VG32 / VG46 anti-wear hydraulic oil, easy to install and compatible with most engineering hydraulic systems.
5.Reliable China Aftermarket Hydraulic Supplier Support
As a professional China hydraulic pump manufacturer, all KP30 gear pumps are fully stocked for bulk wholesale. We provide 12-month product warranty and fast global shipping to importers across Europe, North America, Southeast Asia and Australia.

Q: What machinery can the Casappa KP30 hydraulic gear pump model 993303M fit?
A: The KP30 series including KP30.22, KP30.24, KP30.27, KP30.29, KP30.31, KP30.34, KP30.38, KP30.41 is widely used as aftermarket hydraulic spare parts for loaders, road rollers and construction machinery.
Q: Is the 993303M KP30 gear pump fully interchangeable with original Casappa pump?
A: Yes. Our KP30 hydraulic pump adopts standard Casappa OEM interchange flange, no modification needed for direct replacement, perfect for global machinery repair shops.
Q: What is the rated and peak working pressure of Casappa KP30 hydraulic gear pump?
A: KP30 series has 210 bar rated working pressure and 300 bar peak pressure, it is a high pressure external gear pump for heavy-duty hydraulic systems.
Q: As a global importer, can I buy wholesale Casappa KP30 hydraulic pump from China manufacturer?
A: Absolutely. We are a professional China hydraulic pump manufacturer with full stock of all KP30 displacement models, supporting bulk wholesale for distributors from Europe, North America, Southeast Asia and Australia.
Q: What hydraulic oil is recommended for KP30.22 to KP30.41 gear pump part number 993303M?
A: ISO VG32 and ISO VG46 anti-wear hydraulic oil are recommended for stable long-term operation of the KP30 hydraulic gear pump.
Q: What port sizes are available on the aftermarket Casappa KP30 gear pump replacement?
A: The KP30 hydraulic pump is equipped with optional G3/8 and G1/2 standard hydraulic ports to match different engineering equipment hydraulic pipelines.
Q: What's the warranty policy for bulk ordered KP30 hydraulic spare parts?
A: All our Casappa KP30 gear pump replacement products come with a 12-month warranty, we provide fast worldwide shipping for all wholesale bulk orders.
Q: What internal built-in components ensure long service life of KP30 series hydraulic gear pump?
A: The KP30 pump consists of wear-resistant gear pair, pressure balance plate, thick cast iron housing and heavy-duty seal kit, which effectively reduces failure rate for construction machinery maintenance.
Document Info
Part Numbers: 234-1649, 2341649, Assembly GP No. 262-3690
Compatible Equipment: CAT CB-534C, CB-534D, CB-54, CB-564D, CB-634C, CB-634D, CB-64 Double Drum Vibratory Compactor
Matching Engine: CAT 3054C, C4.4, 3116, 3126
Product Type: 2-Stage Integrated Planetary Drum Travel Final Drive (Built-in Axial Piston Motor + Multi-disc Parking Brake)
Brand (Aftermarket): XLF Hydraulic / OEM Original: Caterpillar
1. Core Mechanical Transmission Specifications
| Item | Technical Value |
|---|---|
| Gear Structure | 2-stage NGW heavy-duty planetary reduction |
| Total Reduction Ratio | 78.6 : 1 |
| Rated Continuous Output Torque | 62000 N·m |
| Max Intermittent Peak Torque | 95000 N·m |
| Allowable Max Input Speed | 1850 rpm |
| Max Drum Output Rotation Speed | 23.5 rpm |
| Gear Material | 20CrMnTi carburized alloy steel, HRC 58–62 hard tooth surface |
| Housing Material | Thickened HT250 high-strength cast iron |
| Output Spline | 42 teeth, module 4, internal involute spline |
| Input Spline | 24 teeth, module 3 |
| Allowable Radial Load | 110 kN |
| Allowable Axial Load | 48 kN |
| Backlash | ≤12 arcmin |
| Transmission Efficiency (Full Load) | ≥92% |
| Net Weight | 146 kg |
2. Hydraulic Matching Parameters
| Item | Technical Value |
|---|---|
| Integrated Motor Type | Fixed displacement axial piston travel motor |
| Motor Displacement | 75 cc/rev |
| Rated Working Pressure | 350 bar (35 MPa) |
| Instant Peak Pressure | Max 420 bar (42 MPa) |
| Applicable Hydraulic Flow Range | 40–110 L/min |
| Standard Hydraulic Port Size | G1/2 |
| Main Seal Material | FKM fluororubber high-pressure oil seal; double floating output mud seal |
| Gearbox Lubricant Volume | 7.2 L |
| Recommended Hydraulic Oil | ISO VG46 anti-wear hydraulic oil |
| Recommended Gear Lubricant | SAE 80W-90 heavy-duty gear oil |
3. Overall Mounting Dimension (Unit: mm)
| Dimension Item | Size |
|---|---|
| Max Outer Diameter of Housing | Φ485 |
| Total Length (Flange to Motor End) | 562 |
| Output Flange Bolt Circle Diameter | Φ410 |
| Mounting Bolt Spec & Qty | 16 pcs M24 high-strength bolts |
4. Working Environment & Service Index
| Item | Standard Parameter |
|---|---|
| Continuous Operating Temperature Range | -20℃ ~ +85℃ |
| Short-time High Temperature Limit | ≤105℃ (Max 30 mins continuous) |
| Protection Grade | IP67 dustproof & waterproof |
| Duty Cycle | S1 full continuous heavy-load operation |
| Design Service Life | 20000 working hours (under standard maintenance) |
| Applicable Altitude | ≤3000 m |
| Anti-leakage Structure | Dual floating oil seal + axial composite sealing, mud & asphalt slurry isolation design |
5. Structural Composition Description
Two-stage planetary reduction group: Primary sun gear + planet carrier, secondary reinforced planetary group for high torque output during slope climbing and heavy compaction.
All-in-one integrated axial piston hydraulic motor at input end, compact layout to fit narrow drum internal space.
Built-in multi-disc static parking brake, reliable locking for slope parking during paving work.
Double floating oil seal at output flange, effectively isolate muddy water, asphalt residue and cooling water from steel drums.
Reinforced cast iron housing, anti-impact structure to resist frequent vibration and impact from road compaction.
6. OEM Replacement Compatibility
1:1 interchangeable with original CAT 234-1649 factory unit, identical mounting flange, splines, port positions and overall dimensions, no cutting, drilling or pipe modification required for plug-and-play installation.
Fully compatible with original hydraulic circuits of CAT CB series tandem compactors, no transition adapters needed.
Interchangeable assembly group number: 262-3690 (DRIVE GP-DRUM, factory original assembly number for CB534D / CB564D / CB634D).
7. Maintenance Specification
Inspection cycle: Check oil level, seal leakage and spline wear every 300 working hours.
Gear oil full replacement cycle: Every 1000 working hours.
Replace floating oil seal and full seal kit when obvious oil leakage occurs.
Prohibit unauthorized disassembly without professional hydraulic repair tools.
8. Warranty & Supply Info
Factory Warranty: 12 months from delivery date
MOQ: 1 piece
FOB Reference Unit Price: USD 2500 / pc
Annual Production Capacity: 500–800 sets
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