Main Shaft & Gear Set for Volvo I-Shift Transmissions
Quick Answer: Volvo I-Shift main shaft, input shaft and speed gears (Z=31-46) for AT2412 / AT2512 / AT2612 / ATO gearboxes.
Main Shaft & Gear Set — part numbers and interchange data
9 part numbers in this section, each matched to the gearbox families listed. Send your OEM number, gearbox identification tag and quantity for a firm quotation.
Cross-reference compiled and verified against standard European aftermarket catalogs (CEI, Euroricambi / AM Gears, Wabco) and OEM part number supersessions. The source column opens the corresponding catalog entry for each part number.
| Part Name (EN) | OEM No. | Interchange / Supersessions | Aftermarket Refs | Compatible Gearbox Models | Specs | Source | Quote |
|---|---|---|---|---|---|---|---|
| Main Shaft 2nd Speed Gear | 20532212 |
22219261, 20540062, 7420532212 | Gen-F: 22219285 | Euroricambi 88531067 | AM Gears 65310 | ZF 0073 301 001 | Volvo I-Shift AT2412C/D, AT2512C, AT2612D/E, ATO2512C, ATO2612D | 41 Teeth (Z=41) | 20CrMnTi Carburized Alloy Steel | catalog | View part |
| Main Shaft Reverse Gear | 20532217 |
22763342, 21979813, 7420532217 | Gen-F: 22763347 | CEI 147.254 | Euroricambi 88530884 | AM Gears 65312 | Volvo I-Shift AT/ATO Series, SPO Dual Clutch | 34 Teeth (Z=34) | 20CrMnTi Carburized Alloy Steel | catalog | View part |
| Main Shaft 3rd Speed Gear | 20771311 |
20532210, 20540059, 7420771311 | Gen-F: 22499139 / 21979823 | CEI 244.009 | ZF 0073 201 001 | Volvo I-Shift AT/ATO Series, SPO Dual Clutch | 35 Teeth (Z=35) | 20CrMnTi Carburized Alloy Steel | catalog | View part |
| Main Shaft 1st Speed Gear | 20906486 |
20532215, 7420906486 | Gen-F: 21979816 | Euroricambi 88530640 | ZF 0073 301 109 | Eaton EAIS20906486 | Volvo I-Shift AT2412C/D, AT2512C, AT2612D/E, ATO2612D | 46 Teeth (Z=46) | 20CrMnTi Carburized Alloy Steel | catalog | View part |
| Input Shaft (AT Direct / ATO Overdrive) | 20771700 / 20771702 |
22358444, 22392450, 7420771702 | Gen-F: 22328788 / 22341984 | Euroricambi 88531216 & 88530904 | PAI 806848 / 806849 | Volvo I-Shift AT2412/2512/2612 (20771700) & ATO Overdrive (20771702) | 24-Spline Input Shaft | Available w/ Pins & Springs Kit | catalog | View part |
| Main Shaft (Albero Primario) | 20532222 |
7420532222 | Euroricambi 88530775 | PAI 806764 | ZF 0073 301 247 | Volvo I-Shift AT2412C/D/E/F, AT2512C, AT2612D/E/F, ATO2612D/E/F | Heavy-Duty Forged Alloy Main Shaft | Precision Ground Journals | catalog | View part |
| Mainshaft Sensor Wheel (Z=72) | 21034006 |
7421034006 | Volvo Genuine 21034006 | Volvo I-Shift AT/ATO Series (AT2612D/E/F) | 72 Teeth (Z=72) | 24V Inductive Speed Pulse Ring | catalog | View part |
| Constant Gear Needle Bearing (92x100x26.6) | 1654088 |
1652566, 21652566, 21654088 | Euroricambi 98530289 | AM Gears 61734 | Eaton EAIS1654088 | Volvo I-Shift (AT2412, AT2512, AT2612D/E/F) & VT/VTO Series | Size 92x100x26.6 mm | 2-Piece Split Needle Roller Cage | catalog | View part |
| Mainshaft Gear Bushing / Inner Race | 1652578 |
7401652578 | CEI 117.350 | Volvo I-Shift (AT/ATO), SPO Dual Clutch & VT/VTO Series | Hardened & Precision-Ground Bearing Steel Inner Ring | catalog | View part |
How to order Volvo I-Shift parts from Volgen Power
Three steps, no account required.
- Send the OEM number printed on the part or on the gearbox identification plate (AT2412 / AT2612 / ATO2612 / SPO2812 series).
- We confirm the fitment against the compatible model list and the supersession chain shown above.
- Receive a quotation with wholesale pricing, packing and lead time, usually within one working day.
Frequently asked questions
- Are these parts interchangeable with Gen F (AT2612F) gearboxes?
- Each row shows the applicable supersession numbers. Where a Gen F number exists it is listed in the Interchange column — confirm your gearbox identification plate before ordering.
- Do you supply both C/D generation and F generation countershaft brake components?
- Yes. C/D-line and F-line kits are separate part numbers and appear as separate rows; they are not interchangeable.
- What information do you need for an accurate quotation?
- The OEM number, the gearbox model code and the quantity. A photo of the identification plate is the fastest route.
Request a quote
Send your OEM numbers, gearbox model code and quantities. We reply with pricing, packing and lead time.
