YD-22 hydraulic tamping machine is a kind of professional machinery used for railway line ballast tamping maintenance except for turnouts. It can be operated with train inervail time, without closing sections. It is equipped with three power modes. They are petrol, diesel and electric.

Engine	HONDA GX390 petrol engine or SF 190 diesel engine
Power	6.6 kW
Vibration frequency	60~70 Hz
Exciting force	≥22kN
Working pressure	5.0 MPa
Clamping force	≥7.4 kN
Insertion force	≥15.5 kN
Working efficiency	≥260 slepers/hour
Tamping insertion depth	90~120mm under seepers
Dimensions	1420x660x1380 mm
Weight	360 kg

1. Usage

YD-22 hydraulic tamping machine is a kind of professional machinery used for railway line ballast tamping maintenance except for turnouts.

2. Benefit

Engine types: Honda GX390 petrol engine or SF 190 diesel engine or electic engine.

It is sitbl for the tamping operation in the new constuction of ordinary railway lines and the large-scaie or medium-scale railway line maintenance

It can complete the tamping operation of various types of concret seepers and wooden sleepers

Equipped with automatic rail clamping device

Equppped wih the f-tac walkin frame, the machine can be removed off at any place and any time