No, pallet pullers are not universally compatible with all forklifts. Compatibility depends on several factors, including the design of the forklift, the type of pallet puller, and the specific application requirements. 
1. **Forklift Design**: Different forklifts have varying fork sizes, shapes, and configurations. Pallet pullers must be able to securely attach to the forks, which may not be possible if the fork dimensions do not match the puller's attachment mechanism.
2. **Pallet Puller Type**: There are various types of pallet pullers, such as scissor-type, single-jaw, and dual-jaw pullers. Each type may have specific requirements for attachment and operation, which may not be suitable for all forklift models.
3. **Load Capacity**: The load capacity of the pallet puller must be compatible with both the forklift's lifting capacity and the weight of the pallets being moved. Using a puller with a lower capacity than required can lead to equipment failure or safety hazards.
4. **Application Requirements**: The specific application, such as the type of pallets used (e.g., wood, plastic, or metal) and the working environment (e.g., indoor, outdoor, or refrigerated), can affect compatibility. Some pullers are designed for specific pallet types or conditions.
5. **Attachment Mechanism**: The method by which the pallet puller attaches to the forklift is crucial. Some pullers require specific mounting brackets or adapters, which may not be available or compatible with all forklift models.
In summary, while pallet pullers can be a versatile tool for moving pallets, their compatibility with forklifts is not guaranteed and must be evaluated on a case-by-case basis considering the factors mentioned above.