RT Drivetrain — Heavy-Duty Gears & Differential Parts

Cross-Reference Engine

Type any OEM part number in the search bar above — case / space / dash insensitive. Sample mappings below.

OEM Reference		RT Equivalent	Type
Mercedes-Benz® A 345 350 06 39	→	RT-MB-DG-0639	Differential Spider Gear
MAN® 81.35110-6024	→	RT-MAN-RG-6024	Planetary Ring Gear
ZF® 1304 304 116	→	RT-ZF-MG-4116	Transmission Main Shaft Gear
Meritor® 3892Q1457	→	RT-MER-CP-1457	Crown Wheel & Pinion
Sinotruk HOWO® HW19709XST	→	RT-HW-MG-9709	Transmission Main Shaft Gear
Steyr® AZ9981320148	→	RT-STR-RG-0148	Wheel-Side Ring Gear
Dana® 127485	→	RT-DANA-DG-7485	Differential Gear Set
Hande® DZ9112340050	→	RT-HD-DC-0050	Differential Case Assembly

Showing 8 sample mappings. The production database carries the full OEM ↔ RT interchange across ZF, Meritor, Mercedes-Benz, MAN, Dana, Sinotruk, Steyr and more.

Product Range

Six core drivetrain families

Precision-forged and ground to OEM form, fit and function — from differential gears to wheel-side ring gears.

差速器壳总成

Differential Case Assembly

Inter-wheel & inter-axle differential cases, splined & bolt-ready, for heavy-truck drive axles.

精锻差速器齿轮

Precision-Forged Differential Gears

Spider & side gears — MAN, Mercedes, Steyr, 440/469 series. Net-shape precision forged.

行星轮边齿圈

Planetary / Wheel-Side Ring Gears

Large-diameter thin-wall internal ring gears — surging with EV e-axle wheel-side reduction.

重卡变速箱齿轮

Heavy-Truck Transmission Gears

Main-shaft, counter-shaft, retarder & planetary-carrier gears for commercial gearboxes.

主从锥齿轮

Crown Wheel & Pinion

Spiral-bevel crown-wheel & pinion sets, lapped in matched pairs for drive axles.

精密铸锻件

Precision Forged & Cast Parts

Axle & chassis forgings — torque-rod brackets, spring seats, flanges, balance shafts.

Manufacturing Muscle

Forge · Cast · Machine · Heat-Treat · Grind — one closed loop

A national-level high-tech enterprise that controls the entire process in-house, so quality and cost are ours to engineer — not outsourced.

1,700+machines · 850+ precision / rare

35forging lines (KUKA / ABB robotic)

45automated gear-machining lines

80Mgears / year capacity

Forging & Casting

Multi-directional forging · isothermal normalizing · coated-sand casting

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Gear Machining

Hobbing · shaping on 45 automated lines

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Heat Treatment

Carburizing · carbonitriding · vacuum ion nitriding (Aichelin)

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Precision Grinding

Automated post-HT gear grinding to AGMA / DIN class

Material20CrMnTi & equivalents

PrecisionAGMA / DIN class

Forgings / year100,000 tons

Castings / year25,000 tons

Sample lead time10–30 days

Mass-production20–45 days

About Us

One of China's leading commercial-vehicle gear makers.

Founded in 2006 and spanning over 200,000 m², RT Drivetrain is backed by the manufacturing base of a leading Chinese commercial-vehicle gear manufacturer — a national high-tech enterprise that integrates casting, forging and gear machining in a single closed loop. Two plant sites, seven workshops and 1,700+ machine tools — supported by a dedicated enterprise technology center and joint R&D with top engineering universities — produce transmission, axle and differential gears engineered to the form, fit and function of the world's leading commercial-vehicle drivetrain platforms.

“ China First · World Class ” — the most professional commercial-vehicle gear maker.