Bracket ZP 01.320 (Counter-Drive Support ZM-60/60A)

Bracket ZP 01.320 (Counter-Drive Support) for Classic ZM-60/60A

The ZP 01.320 bracket is a specialized load-bearing element of the main frame for classic ZM-60 and ZM-60A series grain loaders. In the general kinematic scheme of previous-generation machines, this part serves as a spatial mounting base for the intermediate transmission assembly — the ZP 04.000 counter-drive. Since classic equipment used a single lower electric motor to drive several mechanisms at once, the counter-drive functioned as a central distribution gearbox, dispersing torque via a system of pulleys and long roller chains to the undercarriage and loading elevator. Secured to a tension rod passing through the vertical frame struts, the ZP 01.320 bracket held the bearing housing in which the counter-drive shaft rotated, ensuring fixation under the constant tension of the belt-and-chain drives.

In the process of engineering evolution for grain loaders and Zavod Moroza's transition to a modern architecture with three independent electric motors or motor-reducers (in the ZM-60U/90U/120U series), the need for a general counter-drive became obsolete. Along with this bulky transmission, the ZP 01.320 bracket itself was eliminated from the design of new frames. However, for farms overhauling classic ZM-60 units and striving to preserve their original factory kinematics, this part remains indispensable. A solid and geometrically accurate bracket guarantees strict alignment of the counter-drive shaft, completely preventing destructive vibrations, misalignment, and the constant slipping or breaking of drive chains during intensive grain transfer.

Related Parts and Kinematics of the ZP 01.320 Bracket

Since the ZP 01.320 bracket acts merely as a load-bearing platform connected to a tension rod resting on the frame, it works in conjunction with parts that directly secure the intermediate transmission mechanism. For the full restoration of this mounting assembly on classic ZM-60 loaders, an inspection of the following adjacent components is necessary:

• Fork ZP 01.260 (2 pcs)
• Plate ZP 01.433 (2 pcs)
• Bearing housings H 026.058, ZP 04.806 + caps
• Counter-drive ZP 04.000 (assembled)

The main engineering feature of this assembly lies in its specific mounting method. The ZP 01.260 fork and ZP 01.433 plate work together on the principle of a sturdy clamp — they tightly grip the cylindrical part of the counter-drive bearing housing from two sides. This entire assembled structure rests on the ZP 01.320 bracket, which is fixed to the ZP 01.230 tension rod running through holes in the vertical frame walls. This solution allows for the reliable retention of the counter-drive shaft, which is constantly subjected to strong multi-directional tension during machine operation. From below, this shaft is pulled by V-belts from the main electric motor, while from above and the sides, it is pulled by long roller chains leading to the loading elevator and self-propulsion gearbox.

Assembly Evolution and Repair Feasibility

The complex system of brackets, forks, and plates was a strict kinematic necessity for classic ZM-60 machines. These units were originally equipped with only a single common lower electric motor, and its power had to be mechanically distributed across the entire machine through a single intermediate shaft. In the architecture of modern modernized grain loaders (ZM-60U/90U/120U series), a concept with three independent electric motors is used (separately for the loading elevator, undercarriage, and trimmer), which has completely eliminated the bulky counter-drive, long chains, and consequently, the ZP 01.320, ZP 01.260, and ZP 01.433 fastening elements.

Nevertheless, for farms performing major overhauls of classic models and retaining the original single-motor setup, these parts remain important. Wear or deformation of the ZP 01.260 fork or ZP 01.433 plate causes the makeshift clamp to lose its tight grip on the bearing housing. As a result, the counter-drive shaft begins to vibrate and shift in its mounting seat, which inevitably causes sprocket misalignment, rapid tooth wear, and constant drive chain slipping under load. Replacing these fixing supports restores rigid alignment to the counter-drive shaft and stabilizes the operation of the entire belt-and-chain drive on the older unit.

Buy Counter-Drive Bracket ZP 01.320 from Zavod Moroza

Zavod Moroza's many years of manufacturing experience in the production and modernization of agricultural machinery allow us to deeply understand the architecture of machines across all generations. Although in our modern grain loaders we have completely abandoned complex belt-and-chain drives in favor of three independent motors, we continue to maintain a dialogue with farms performing overhauls of classic equipment. Communicating with chief engineers and machine operators, we know how critical correct spatial geometry for load-bearing supports is for older single-motor units.

By deciding to buy the ZP 01.3320 bracket (ZP 01.320) directly from our enterprise, you receive a durable part manufactured according to authentic blueprints with strict adherence to linear tolerances. High-quality metal and correct assembly geometry create a reliable base for mounting the counter-drive — this is the key to smooth operation of the entire transmission system without parasitic vibrations, shaft misalignment, or premature breakage or slipping of long drive chains during loads.

Contact our technical department to discuss the details of your repair! Our experts are well-versed in the kinematics of classic ZM-60 loaders and will help outfit your order optimally. You can purchase either the individual ZP 01.320 load-bearing bracket or related fixing forks ZP 01.260, clamping plates ZP 01.433, cast-iron counter-drive bearing housings, or the fully assembled ZP 04.000 intermediate assembly. Restore your equipment with reliable metal structures from the direct manufacturer to return stability and dependability to your machine for many working seasons to come.