Our production lines focus primarily on
NON-ORIGINAL GEARS FOR AMERICAN AND EUROPEAN TRANSMISSIONS,
which are detailed below.
We have also developed a line of STEERING REPLACEMENT PARTS for AMERICAN APPLICATIONS.
Most of the items in our range are available in stock or in production.
Another
KPM department designs and produces
BEVEL GEARS based on customer samples or original references.
TECHNICAL DEPARTMENT
The KPM technical department is proud to inform its Customers that all the items manufactured are studied and designed inside the Factoy, starting from samples or drawings up to the final operations.
GEARS SUITABLE TO VOLVO AND MERCEDES GEARBOXES
Our core business focuses on the most in-demand aftermarket solutions, with a production of excellence dedicated to Volvo and Mercedes-Benz transmission systems. We complete our product range with a lineup of gearbox and differential gears dedicated to the EUROPEAN LINE:
- VOLVO Applications: Interchangeable gearbox gears for I-Shift transmissions (AT / ATO series 2412, 2512, 2612, 2812, 3112, 3512 in C/D/E/F versions) and manual gearboxes, VT series (2014B, 2214B, 2514B).
- MERCEDES-BENZ Applications: Components suitable for gearbox series G155, G210, G211, G230, G240, G260, G281, G330, G340 and their corresponding differentials.
The development of this line follows strict quality standards to ensure perfect interchangeability with the original manufacturer reference

1521438 - SYNCHRONIZER RING/MO
Models: AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D, ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E, ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, VT2412B, VT2014B, VT2214B, VT2514B
Material: 20MnCr5
Number of teeth: Z-30
Unit weight: 0,84 Kg.

20532222 - MAIN SHAFT
Model: AT2512C, AT2812C, ATO3112C, AT2612D, AT2812D, ATO3112D, ATO3512 D, AT2612E,AT2812E, ATO3112E, ATO3512E, AT2612F, AT2812F, ATO2612F, ATO311 2F, ATO3512F
Material: 20MnCr5
Number of teeth: Z-23/23/37/28
Unit weight: 15,90 Kg.
Specifications: GROUND TEETH

20532224 - SLIDING SLEEVE
Models: AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D,ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E,ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, SPO2812
Material: 20MnCr5
Number of teeth: Z-28
Unit weight: 0,96 Kg

20760512 - SLIDING SLEEVE
Models:AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D, ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E, ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, VT2412B,
VT2014B, VT2214B, VT2514B, V
Material: 20MnCr5
Number of teeth: Z-54
Unit weight: 1,15 Kg.

20760515 - SYNCRONIZER CONE
Models:AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D,ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E,ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, VT2412B,VT2014B, VT2214B, VT2514B
Material: 20MnCr5
Number of teeth: Z-54/28
Unit weight: 0,85 Kg.

2020771311 - GEAR ASSY 3RD SPEED 35T (WITH BEARINGS AND WASHER)
Model: AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D, ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E, ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, SPO2812
Material: 20MnCr5
Number of teeth: Z-35/28/28
Unit weight: 6,14 Kg.
Specifications: GROUND TEETH AND PHOSFATE COATING

20771700 - INPUT SHAFT KIT W/PINS & SPRINGS
Models:AT2512C, AT2812C, ATO3112C, AT2612D, AT2812D, ATO3112D, ATO3512 D, AT2612E,AT2812E, ATO3112E, ATO3512E
Material: 20MnCr5
Number of teeth: Z-54/24
Unit weight: 7,75 Kg.
Specifications: KIT 21141850 INCLUDED

20776783 - CONSTANT GEAR 31T.
Models:AT2412C, AT2512C, AT2812C, AT2412D, AT2612D, AT2812D, AT2412E, AT2612E, AT2812E, AT2412F, AT2612F, AT2812F, VT2412B, VT2214B, VT2514B, VT2814B
Material: 20MnCr5
Number of teeth: Z-31/28
Unit weight: 2,52 Kg.
Specifications: GROUND TEETH AND PHOSFATE COATING

20854437 - CONSTANT GEAR 44T.
Models:AT2412C, AT2512C, AT2812C, AT2412D, AT2612D, AT2812D, AT2412E, AT2612E, AT2812E, AT2412F, AT2612F, AT2812F, VT2412B, VT2214B, VT2514B, VT2814B
Material: 20MnCr5
Number of teeth: Z-44
Unit weight: 8,65 Kg.
Specifications: GROUND TEETH

21110728 - TOOTHED RIM 77T,1ST, 2ND, 3RD GENERATI
Model: AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D, ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E, ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, SPO2812
Material: 20MnCr5
Number of teeth:
Z-77/77/72/72
Unit weight: 5,66 Kg.

20771700 - INPUT SHAFT KIT W/PINS & SPRINGS
Models:AT2512C, AT2812C, ATO3112C, AT2612D, AT2812D, ATO3112D, ATO3512 D, AT2612E,AT2812E, ATO3112E, ATO3512E
Material: 20MnCr5
Number of teeth: Z-54/24
Unit weight: 7,75 Kg.
Specifications: KIT 21141850 INCLUDED

21482847 - ENGAGING RING
Models:AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D,ATO2612D, ATO3112D, ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E,ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, SPO2812
Material: 20MnCr5
Number of teeth: Z-72
Unit weight: 3,45 Kg.

21671426 - SYNCHRONIZER KIT
Models:AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D,ATO2612D,ATO3112D,ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E,ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, VT2412B,VT2014B, VT2214B, VT2514B, V
Material: 20MnCr5
Unit weight: 3,56 Kg.
Specifications: COMPLETE KIT

21751233 - SYNCHRONIZER CONE
Model: AT2412C, AT2512C, AT2812C, ATO2512C, ATO3112C, AT2412D, AT2612D , AT2812D,ATO2612D,ATO3112D,ATO3512D, AT2412E, AT2612E, AT2812E, ATO261 2E, ATO3112E,ATO3512E, AT2412F, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO351 2F, SPO2812
Material: 20MnCr5
Number of teeth: Z77/23
Unit weight: 4,39 Kg.

22341984 - INPUT SHAFT QUILL ASO SPLITTER
Models:AT2612F, ATO2612F, ATO3112F, ATO3512F
Material: 20MnCr5
Number of teeth: Z-54/23/24
Unit weight: 6,16 Kg.
Specifications: GROUND TEETH

22352397- INPUT SHAFT KIT W/PINS & SPRINGS
Models:AT2612D, AT2812D, ATO2612D, ATO3112D, ATO3512D, AT2612E, AT2812 E, ATO2612E, ATO3112E, ATO3512E, AT2612F, AT2812F, ATO2612F, ATO3112F, ATO35 12F
Material: 20MnCr5
Number of teeth: Z-54/24
Unit weight: 7,70 Kg.
Specifications: KIT WITH 6 PINS & 6 SPRINGS INCLUDED

22763327 - COUNTER SHAFT
Models:AT2612F, AT2812F, ATO2612F, ATO3112F, ATO3512F
Material: 20MnCr5
Number of teeth: Z12/19/28/32
Unit weight: 12,63 Kg.
Specifications: GROUND TEETH

930 262 0123 - SLIDING SLEEVE
Models:G281/G330/G291/G241
Material: 20MnCr5
Number of teeth: Z-30
Unit weight: 0,84 Kg.

930 262 - 0403 INPUT SHAFT
Model: G281/G330
Material: 20MnCr5
Number of teeth: Z-66
Unit weight: 8,47 Kg.

930 262 0717 - CONSTANT GEAR
Models:G281/G330
Material: 20MnCr5
Number of teeth: Z-29
Unit weight: 4,02 Kg.
Specifications: GROUND TEETH

945 262 3834 - SYNCHRONIZER BODY
Models:G281/G330/G210/G211/G240/G221/G260/G280
Material: 20MnCr5
Number of teeth: Z-73/44(-1)
Unit weight: 3,64 Kg.

945 262 4505 - MAIN SHAFT
Model: G281/G330
Material: 20MnCr5
Number of teeth: Z-66
Unit weight: 8,47 Kg.

945 262 6923 - SLIDING SLEEVE
Models:G180/G155/G125/G200/G210/G230/G281/G240/G330
Material: 20MnCr5
Number of teeth: Z-73
Unit weight: 3,29 Kg.

945 262 9517 - GEAR 4TH SPEED 36T.
Models: G240/G260
Material: 20MnCr5
Number of teeth: Z-36/44/60
Unit weight: 6,15 Kg.
Specifications: GROUND TEETH

945 262 9817 - CONSTANT GEAR 32 T.
Model: G230/G240/G260
Material: 20MnCr5
Number of teeth: Z-32/60
Unit weight: 4,68 Kg.
Specifications: SHAVED TEETH

945 263 2902 - COUNTER SHAFT
Models: G210/G240/G230/G231/G260
Material: 20MnCr5
Number of teeth: Z-16/21/18/16
Unit weight: 16,80 Kg.
Specifications: GROUND TEETH
DETROIT DT12
In response to market demands, we have developed a range of gears suitable for the MERCEDES DETROIT DT12 automated transmission (DT12-HE / DT12-DA/DB), specifically for American vehicle lines (Freightliner and Western Star):
- Applications: High-precision gearbox components designed for US highway and heavy-duty models.
- Standards: Maximum mechanical reliability and perfect interchangeability with the original manufacturer references

930 262 0123 - SLIDING SLEEVE
Models: G281/G330/G291/G241
Material: 20MnCr5
Number of teeth: Z-30
Unit weight: 0,84 Kg.

930 262 0403 - INPUT SHAFT
Models: G281/G330
Material: 20MnCr5
Number of teeth: Z-66
Unit weight: 8,47 Kg.

930 262 0717 - CONSTANT GEAR
Models: G281/G330
Material: 20MnCr5
Number of teeth: Z-29
Unit weight: 4,02 Kg.
Specifications: GROUND TEETH

930 263 0402 - COUNTERSHAFT
Models: G281/G330
Material: 20MnCr5
Number of teeth: Z-15/15/18/16
Unit weight: 14,67 Kg.
Specifications: GROUND TEETH

945 262 3834 - SYNCHRONIZER BODY
Models:G281/G330/G210/G211/G240/G221/G260/G280
Material: 20MnCr5
Number of teeth: Z-73/44(-1)
Unit weight: 3,64 Kg.

945 262 6923 - SLIDING SLEEVE
Models:G180/G155/G125/G200/G210/G230/G281/G240/G330
Material: 20MnCr5
Number of teeth: Z-73
Unit weight: 3,29 Kg.

945 262 8234 - SINCHRONIZER CONE
Models:G281/G330/G210/G241/G240/G221/G18
Material: 20MnCr5
Number of teeth: Z-66/44
Unit weight: 0,95 Kg.
GEARS SUITABLE TO
MACK TRUCK LINE
An important part of our production is dedicated to the MACK USA line, with gears suitable for:
- MACK Transmissions: T2080, T2090, T2100, T309L, T310, T2130, T2180.
- MACK Differentials: CRDPC92/112, CRD93/113, CRD93A, CRD150/151, CRDP200/202.
Another specialized KPM department designs and manufactures BEVEL GEAR SETS AND CYLINDRICAL GEARS according to drawings or samples, utilizing Gleason and Oerlikon technologies.
Furthermore, in response to market demands, we have developed a line of gears suitable for VOLVO I-SHIFT and MERCEDES G-281/330 gearboxes with US specifications

24KH1943B GEAR SET 14x17
Material: 20MnCr5
Number of teeth: 14 x 17 TEETH
Unit weight: 11,26 Kg.

24KH1953A GEAR SET 13x19
Material: 20MnCr5
Number of teeth: 13 x 19 TEETH
Unit weight: 15,94 Kg.

31KN48 MACK OUTER CAM
Material: 20MnCr5
Number of teeth: Z-43/25
Unit weight: 6,01 Kg.

32KN38 MACK INNER CAM
Material: 20MnCr5
Number of teeth: Z-27
Unit weight: 0,96 Kg.

33KH263A MACK PINION GEAR
Material: 20MnCr5
Number of teeth: Z-11
Unit weight: 0,95 Kg.

53KH261B RETAINER
Material: CAST IRON
Unit weight: 2,63 Kg.

56KH470 SHAFT Z-16 (21016180)
Material: 20MnCr5
Number of teeth: Z-16
Unit weight: 9,84 Kg
Specifications: GROUND TEETH

61KH464 BULL GEAR Z-46 (21016182)
Material: 20MnCr5
Number of teeth: Z46/47
Unit weight: 15,9 Kg.
Specifications: GROUND TEETH

84KC46 HUB LOW RANGE
Material: 20MnCr5
Number of teeth: Z-30/21
Unit weight: 1,56 Kg.

84KC410 LOW RANGE HUB BACK TAPERED
Material: 20MnCr5
Number of teeth: Z-30/21
Unit weight: 1,57 Kg.

84KC411 LOW RANGE HUB BACK TAPERED
Material: 20MnCr5
Number of teeth: Z-30/21
Unit weight: 1,93 Kg.

98KH21B FORK
Material: 20MnCr5
Unit weight: 0,92 Kg.

320KB3141 CLUTCH T2130, 2180
Material: 20MnCr5
Number of teeth: Z-22/22/38
Unit weight: 2,75 Kg.

575KB3303C SHIFT FORK
Material: C43
Unit weight: 1,04 Kg.

601KC442 MAINSHAFT
Material: 39NiCrMo3
Number of teeth: Z-38/46
Unit weight: 5,24 Kg.

751KB3491 MACK DRIVE GEAR Z-27
Material: 20MnCr5
Number of teeth: Z-27/22
Unit weight: 2,24 Kg.

751KB4123 MACK AUX GEAR MAINSHAFT
Material: 20MnCr5
Number of teeth: Z-30/22/22/22
Unit weight: 2,45 Kg.

757KB4108 GEAR Z-52
Material: 20MnCr5
Number of teeth: Z-52
Unit weight: 5,58 Kg.

764KB4203E INPUT SHAFT
Material: 20MnCr5
Number of teeth: Z-16
Unit weight: 5,34 Kg.
GEARS SUITABLE TO FULLER/TTC GEARBOXES
Over the years, we have developed a wide range of products suitable for EATON FULLER transmissions, covering both the historic series and the most recent automated versions:
- Spare Parts Range: High-precision gears, shafts, and transmission components.
- Coverage: Interchangeable solutions for traditional manual models and latest-generation automated systems.
Precision construction ensures maximum mechanical reliability and perfect interchangeability with original parts.

19206 GEAR-M/S
Material: 20MnCr5
Number of teeth: Z-56/18
Unit weight: 2,12 Kg.

20391 GEAR
Material: 20MnCr5
Number of teeth: Z-58/18
Unit weight: 2,64 Kg.

21354 WASHER
Material: 20MnCr5
Unit weight: 0,20 Kg.

4300240 GEAR-M/S
Material: 20MnCr5
Number of teeth: Z-60/18
Unit weight: 3,09 Kg.

4300938 AUX DRIVE GEAR
Material: 20MnCr5
Number of teeth: Z-34/29
Unit weight: 2,31 Kg.

4302265 SLIDING CLUTCH
Material: 20MnCr5
Number of teeth: Z-28/18
Unit weight: 0,78 Kg.

4302393 GEAR-MAINSHAFT O/D
Material: 18NiCrMo5
Number of teeth: Z-42/24
Unit weight: 1,08 Kg.

4302411 GEAR MAINSHAFT
Material: 20MnCr5
Number of teeth: Z-76/28
Unit weight: 4,59 Kg.

4302421 GEAR MAINSHAFT
Material: 20MnCr5
Number of teeth: Z-62/28
Unit weight: 3,80 Kg.

4302695 SPLITTER GEAR KIT
Material: 20MnCr5
Number of teeth: Z-42/18/29
Unit weight: 2,92 Kg.

4303666 GEAR-countershaft
Material: 20MnCr5
Number of teeth: Z-73
Unit weight: 4 Kg.
Specifications: GROUND TEETH

4304086 GEAR AUX MAINSHAFT
Material: 18NiCrMo5
Number of teeth: Z-38/23/29
Unit weight: 3,42 Kg.
Specifications: GROUND TEETH

4304514 GEAR-MAINSHAFT O/D
Material: 18NiCrMo5
Number of teeth: Z-42/24
Unit weight: 1,17 Kg.
Specifications: GROUND TEETH

4304317 SLIDING CLUTCH
Material: 20MnCr5
Number of teeth: Z-24/17
Unit weight: 0,60 Kg.

4304642 GEAR-MAINDRIVE
Material: 20MnCr5
Number of teeth: Z-52/26/26
Unit weight: 2,45 Kg.
Specifications: GROUND TEETH

GEAR-Countershaft Drive
Material: 20MnCr5
Number of teeth: Z-66
Unit weight: 3,30 Kg.

A-4918 GEAR-COUNTERSHAFT
Material: 20MnCr5
Number of teeth: Z-33/38
Unit weight: 3,30 Kg.

A-6436 AUX Countershaft
Material: 20MnCr5
Number of teeth: Z-16/43
Unit weight: 3,74 Kg.

A-6888 AUX Countershaft
Material: 20MnCr5
Number of teeth: Z-15/41/43
Unit weight: 17,40 Kg.
Specifications: GROUND TEETH

K-2947 COUNTERSHAFT(4302652)
Material: 20MnCr5
Number of teeth: Z-17/17
Unit weight: 8,50 Kg.

K-2808 AUX DRIVE GEAR kit
Material: 20MnCr5
Number of teeth: Z-34/29/17/17
Unit weight: 3,17 Kg.

K-3220 AUX Countershaft
Material: 20MnCr5
Number of teeth: Z-15/41/43
Unit weight: 17,40 Kg.
Specifications: 4303124 WASHER INCLUDED

K-3500 AUX COUNTERSHAFT (OLD A-6846)
Material: 20MnCr5
Number of teeth: Z-11/17/41
Unit weight: 9,79 Kg.
SPICER
A key part of our manufacturing operations is the production of GEARBOXES SUITABLE FOR TRANSMISSION AND DIFFERENTIAL for the SPICER USA line, perfectly interchangeable and designed to ensure maximum reliability on transmissions and axles.

49-8-21 - SECOND SPEED GEAR 38-40T
Material: 20MnCr5
Number of teeth: Z-38/40
Unit weight: 4,03 Kg.

49-35-8-1XR - MAIN DRIVE CM49, ES52-5
Material: 20MnCr5
Number of teeth: Z-21/33
Unit weight: 4,72 Kg.

49-196-7 - C.S. 4TH GEAR (34T)
Material: 20MnCr5
Number of teeth: Z-34/39
Unit weight: 3,27 Kg.

101-8-21 - GEAR 7TH SPEED M/S (OD) (22T) NAVISTAR (6TH SPEED)
Material: 20MnCr5
Number of teeth: Z-22/33
Unit weight: 1,12 Kg.

101-8-22 - GEAR 7TH SPEED M/S (OD) (22T) NAVISTAR (6TH SPEED)
Material: 20MnCr5
Number of teeth: Z-22/33
Unit weight: 1,11 Kg.

101-30-2-1X - COUNTERSHAFT
Material: 20MnCr5
Number of teeth: Z-16/12/39/31/29
Unit weight: 10,64 Kg.

101-196-2 - GEAR 6TH SPEED C/S (DIRECT) (38T)
Material: 20MnCr5
Number of teeth: Z-38/39
Unit weight: 3,36 Kg.

101-362-10 - MAINSHAFT (FRONT) 101-362-10 (con seeger)
Material: 20MnCr5
Number of teeth: Z-26/47/45/31
Unit weight: 11,18 Kg.

201-8-35 - GEAR
Material: 20MnCr5
Number of teeth: Z-58/20
Unit weight: 5,36 Kg.

201-8-41 - GEAR
Material: 20MnCr5
Number of teeth: Z-52/32
Unit weight: 7,32 Kg.

201-196-41- COUNTERHAFT GEAR H.E 5TH & 10TH59T OVERDRIVE
Material: 20MnCr5
Number of teeth: Z-59
Unit weight: 4,70 Kg.

201-362-3 - SHAFT
Material: 20MnCr5
Number of teeth: Z-32
Unit weight: 6,99 Kg.
QUALITY CONTROLS/KLINGEMBERG DEPARTMENT
Very accurate quality control of every single part leaving KPM factory is an important part of our production policy.
CUTTING-EDGE TECHNOLOGY FOR MAXIMUM SAFETY AND PRECISION
The fully automatic CNC-controlled P 40 precision measuring center is designed as a compact unit for the workpiece diameter range up to 400 mm. The machine is used to inspect cylindrical gears, pinion type cutters and shaving cutters, worms and worm wheels, hobs, bevel gears, general dimension, shape, and positional deviations of axially symmetrical workpieces, cam and camshaft measurement and rotor measurement.
For more information on our production or for special requests, write to: kpm@kpmricambi.com








