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Parts selection and technical guides (64) click

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How to choose a quick coupler for a mini excavator

How to choose a quick coupler for a mini excavator

Posted in: Parts selection and technical guides, Construction machinery

2026-07-18

A reliable selection starts with identification and measurements, not with a visual guess. Check: machine operating...

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When excavator pins and bushings should be replaced

When excavator pins and bushings should be replaced

Posted in: Parts selection and technical guides, Construction machinery

2026-07-17

The symptom points to a group of causes, but a short inspection is needed before any part is ordered. Check: radial...

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How to identify a rubber track from its marking

How to identify a rubber track from its marking

Posted in: Parts selection and technical guides, Construction machinery

2026-07-16

The symptom points to a group of causes, but a short inspection is needed before any part is ordered. Check: width,...

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How to measure a pin and bushing for construction machinery

How to measure a pin and bushing for construction machinery

Posted in: Parts selection and technical guides, Construction machinery

2026-07-15

A replacement will fit only when the reference points and operating positions are measured correctly. Check: unworn...

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How to choose a tooth for an excavator bucket

How to choose a tooth for an excavator bucket

Posted in: Parts selection and technical guides, Construction machinery

2026-07-14

A reliable selection starts with identification and measurements, not with a visual guess. Check: adapter system and...

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Części do maszyn rolniczych
Hydraulika rolnicza
Wały napędowe WOM
Filtry i części eksploatacyjne
Części do pilarek
Części do opryskiwaczy

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Top authors

Sebastian Rokicki 64 Posts View posts

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Hydraulics and power transmission

Diagnosis and selection of hydraulic hoses, threads, couplings, cylinders, oils, roller chains and PTO protection components.

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How to shorten a PTO shaft without damaging the driveline

Posted in: Parts selection and technical guides, Hydraulics and power transmission

23 Views

Good results depend on preparation, a controlled sequence and a final functional check. Check: shortest tractor-to-machine distance, required compression clearance, minimum tube overlap, equal shortening of both profile tubes, guard length, deburring and lubrication.

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Overrunning or torque-limiter clutch: which one to choose

Posted in: Parts selection and technical guides, Hydraulics and power transmission

13 Views

The better option is the one that matches the machine, working conditions and manufacturer's requirement. Check: direction of power flow, machine inertia, required torque limit, shock-load risk, PTO shaft size, manufacturer setting.

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How to choose a roller chain for a machine

Posted in: Parts selection and technical guides, Hydraulics and power transmission

10 Views

A reliable selection starts with identification and measurements, not with a visual guess. Check: chain standard and pitch, roller width and diameter, number of strands, working load, number of links and connecting-link type, sprocket wear.

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A hydraulic quick coupling leaks: causes and repair

Posted in: Parts selection and technical guides, Hydraulics and power transmission

15 Views

The symptom points to a group of causes, but a short inspection is needed before any part is ordered. Check: leak location, coupling profile, seal condition, surface scratches, residual pressure, side load and hose alignment.

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How to measure a hydraulic cylinder correctly

Posted in: Parts selection and technical guides, Hydraulics and power transmission

19 Views

A replacement will fit only when the reference points and operating positions are measured correctly. Check: closed pin-centre length, stroke, rod diameter, cylinder bore or barrel size, pin and eye dimensions, port thread and position.

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Single-acting or double-acting hydraulic cylinder

Posted in: Parts selection and technical guides, Hydraulics and power transmission

15 Views

The better option is the one that matches the machine, working conditions and manufacturer's requirement. Check: force direction, return by gravity, spring or pressure, number of ports, required control valve, holding and safety requirements.

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How to bleed a hydraulic system safely

Posted in: Parts selection and technical guides, Hydraulics and power transmission

16 Views

Good results depend on preparation, a controlled sequence and a final functional check. Check: manufacturer procedure, oil level, highest bleed points, cylinder orientation, low-pressure operating mode, leak and foam check.

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Why tractor hydraulics overheat: the most common causes

Posted in: Parts selection and technical guides, Hydraulics and power transmission

12 Views

The symptom points to a group of causes, but a short inspection is needed before any part is ordered. Check: oil level and type, filter restriction, cooler cleanliness, pressure setting, valve position and return flow, temperature under load.

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HLP 46, HV 46 or another hydraulic oil: which one to choose

Posted in: Parts selection and technical guides, Hydraulics and power transmission

12 Views

The better option is the one that matches the machine, working conditions and manufacturer's requirement. Check: manufacturer specification, ISO viscosity grade, ambient and operating temperature, existing oil type, water and contamination risk.

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How to choose a hydraulic quick coupling for a tractor or machine

Posted in: Parts selection and technical guides, Hydraulics and power transmission

20 Views

A reliable selection starts with identification and measurements, not with a visual guess. Check: coupling profile and standard, plug or socket side, nominal size, maximum pressure and flow, connection thread, residual-pressure requirement.

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How to identify BSP, JIC, ORFS and metric hydraulic threads

Posted in: Parts selection and technical guides, Hydraulics and power transmission

23 Views

The symptom points to a group of causes, but a short inspection is needed before any part is ordered. Check: outside or inside thread diameter, thread pitch, parallel or tapered form, sealing cone angle, presence of an O-ring or flat face.

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How to choose a hydraulic hose: bore, pressure and fittings

Posted in: Parts selection and technical guides, Hydraulics and power transmission

27 Views

A reliable selection starts with identification and measurements, not with a visual guess. Check: inside diameter or dash size, maximum working pressure, fluid and temperature, fitting thread and sealing cone, minimum bend radius.

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