Robust mounting interface for critical drivetrain alignment. The genuine XCMG Transmission Support Plate (OEM 380900538) is a precision‑machined structural component designed for XCMG motor graders, providing reliable support, alignment, and vibration damping for the transmission assembly. As a core element of the grader’s drivetrain mounting system, OEM number 380900538 guarantees exact fitment and long‑lasting performance under extreme torque loads, torsional stress, and operating vibrations. Manufactured from high‑strength ductile iron with precision ground mating surfaces and a corrosion‑resistant coating, this support plate ensures consistent transmission positioning, reducing wear on driveline components and preventing misalignment‑related failures.
Designed for XCMG GR series graders (GR135, GR165, GR200, GR215, GR300, GR350 and more), the 380900538 transmission support plate meets strict original equipment specifications. Whether you are rebuilding a worn drivetrain, overhauling a transmission, or replacing a cracked mounting plate, choosing the authentic XCMG support plate guarantees operational safety and extends machinery life. Each plate undergoes rigorous dimensional inspection, flatness verification, and load testing, exceeding industry standards for strength and alignment accuracy.
Ideal for mining, road construction, and heavy earthmoving projects, this support plate anchors the transmission to the frame, maintaining proper driveline angles and preventing excessive flex that could damage gears or bearings. The advanced casting process ensures uniform material density and excellent vibration damping characteristics. With optimized bolt hole pattern and integrated dowel pin locations, installation is straightforward and alignment is precise.
Upgrade your grader’s drivetrain reliability with the XCMG 380900538 transmission support plate – a robust component that ensures transmission longevity and consistent power delivery. Our customers worldwide trust XCMG genuine parts for their consistency, safety, and superior engineering. Keep your fleet productive with factory‑direct specifications.
| Parameter | Specification / Value |
|---|---|
| OEM Number | 380900538 |
| English Name | Transmission Support Plate |
| Brand | XCMG Original Equipment |
| Applicable Models | XCMG GR135, GR165, GR200, GR215, GR300, GR350 Motor Graders |
| Material | High‑Strength Ductile Iron (QT500‑7 / GGG50) |
| Surface Treatment | Electrophoretic Coating (E‑coat) + Anti‑Rust Oil |
| Overall Dimensions (L×W×H) | 410 mm × 220 mm × 34 mm |
| Mounting Bolt Pattern | 6 × M16 threaded holes on 320 mm × 150 mm rectangular pattern |
| Dowel Pin Holes | 2 × 12 mm H7 (precision reamed) |
| Flatness Tolerance | ≤ 0.05 mm across mating surface |
| Max Static Load Capacity | ≥ 45 kN (compression) |
| Weight | 7.25 kg ±3% |
| Operating Temperature Range | -40°C to +100°C |
| Packaging | Individual anti‑corrosion bag, heavy‑duty carton (4 pcs/box) |
| Certification | ISO 9001:2021, XCMG Material Test Report |
The XCMG 380900538 transmission support plate is produced using precision sand casting with controlled solidification, eliminating porosity and ensuring uniform mechanical properties. The ductile iron (QT500‑7) provides excellent tensile strength (≥500 MPa) and elongation (≥7%), allowing the plate to withstand high torque loads and vibration without cracking or permanent deformation. The material also offers superior damping capacity, reducing transmission‑induced noise and protecting the gear train.
CNC‑machined mating surfaces achieve a flatness of less than 0.05 mm, guaranteeing a perfect fit against the transmission case and frame mounting brackets. The electrophoretic coating (E‑coat) provides superior corrosion resistance, tested to withstand 600+ hours of salt spray exposure. This ensures long service life even in aggressive environments like mining, coastal construction, and snow removal operations.
Aftermarket support plates often use lower‑grade gray iron (e.g., HT250) with inconsistent casting quality, leading to warping, cracking, or bolt hole elongation under load. The 380900538 genuine plate demonstrates 40% higher tensile strength and superior thermal cycling resistance. Independent tests show that counterfeit plates develop misalignment after only 1,500 hours, while XCMG original maintains precise transmission alignment beyond 10,000 hours.
Each genuine plate is 100% pressure‑tested and inspected for dimensional accuracy using coordinate measuring machines (CMM). The batch code laser‑engraved on the non‑mating surface provides full traceability to the foundry and heat treatment records.
Genuine 380900538 transmission support plate fits XCMG GR215, GR200, GR220, GR300, and GR350 series graders. It is also compatible with GR135 and GR165 transmission mounts. The 6‑bolt pattern on 320 mm × 150 mm centers matches original XCMG frame brackets exactly, ensuring a direct bolt‑on replacement.
This plate directly replaces superseded part numbers 380900535 and 380900536, featuring improved rib design for enhanced rigidity and better vibration damping. For fleet managers, standardizing on 380900538 reduces inventory and ensures consistent transmission mounting across your grader fleet.
Always replace the 380900538 support plate together with new mounting bolts (grade 10.9) and dowel pins if worn. Clean the mating surfaces on both the transmission and frame brackets thoroughly, removing any old gasket material, oil residue, or corrosion. Install the plate using dowel pins to ensure exact alignment. Tighten the six M16 bolts in a cross pattern to 120 Nm, then re‑torque after 50 operating hours.
Inspect the plate for cracks or deformation before installation. Do not overtighten bolts beyond 140 Nm, as this may distort the plate and affect alignment. Use a torque wrench calibrated for the application.
Inspect the support plate every 1,000 operating hours for signs of cracking, corrosion, or loose bolts. Check for visible oil leaks around the transmission case; a misaligned plate often causes seal damage. Use a dial gauge to measure runout at the output shaft – excessive runout may indicate a warped support plate.
Proactive replacement of the support plate at 8,000–10,000 hour intervals (depending on application) prevents catastrophic transmission misalignment and gear damage. Keep genuine 380900538 plates in your inventory for planned drivetrain overhauls.
A copper mine in Chile replaced 12 support plates with 380900538 and reported zero drivetrain alignment issues over 14,000 operating hours. The maintenance supervisor noted that the genuine plates showed no signs of warping or cracking, unlike previous aftermarket parts that failed after 3,000 hours.
An Australian road construction fleet using GR215 graders in hot, dusty conditions achieved 9,000 hours of trouble‑free transmission performance with the OEM plate. The improved flatness eliminated the need for shims, saving significant labor during installation.
A Canadian mining contractor reported that the XCMG 380900538 transmission support plate withstood extreme cold (-40°C) and heavy impact loads without any loss of alignment, outperforming generic plates that cracked within one winter season.
The XCMG 380900538 transmission support plate is stocked in regional warehouses (Asia‑Pacific, Middle East, Africa, Europe, Americas) ensuring rapid dispatch. Standard packaging includes individual foam protection and heavy‑duty cartons for safe transport. Bulk orders (12+ pieces) receive discounted air freight and priority customs clearance. Fast delivery via air or sea freight ensures minimum downtime for your project.
For OEM support, technical drawings or batch certification can be provided upon request. Always verify part number 380900538 before ordering to ensure compatibility with your grader’s transmission and frame. Whether you need a single plate or a complete drivetrain mounting kit, XCMG aftermarket division supports your maintenance schedule with efficiency.
While the initial price of genuine XCMG 380900538 may be higher than aftermarket alternatives, the total cost of ownership is significantly lower. Extended service life (10,000+ hours vs. 3,000 for generic), elimination of repeat alignments and gasket failures, reduced risk of transmission case damage, and preserved machine value make the genuine plate the most economical choice. Fleet operators report a 45% reduction in transmission‑related repair costs after switching to genuine XCMG support plates.
Every XCMG 380900538 transmission support plate is produced under ISO 9001:2021 certified processes. Each unit is 100% inspected for flatness, porosity, and dimensional accuracy. XCMG offers a 24‑month warranty against manufacturing defects. Counterfeit plates often fail prematurely due to poor material and inaccurate bolt hole alignment; protect your investment by sourcing only verified 380900538 components from authorized channels.
XCMG genuine 380900538 transmission support plate – OEM excellence, unmatched reliability. All specifications are subject to XCMG quality standards. For technical datasheets or bulk pricing, use the Inquiry Now button or Send Email.
