The invention discloses a static property test bed for diesel engine power transmission elastic components, comprising a stand, a motor, a speed reducer, a transmission shaft, a first torque sensor and a second torque sensor, wherein the speed reducer and the transmission shaft are arranged on the stand; the output shaft of the motor is connected with one end of the first torque sensor, and the other end of the first torque sensor is connected with the input end of the speed reducer; the output end of the speed reducer is connected with one end of the second torque sensor, and the other end of the second torque sensor is connected with the input end of the transmission shaft; the output end of the transmission shaft is provided with a shaft sleeve which is connected with the input end of the tested power transmission elastic component; and the stand is connected and fixed with the output end of the tested power transmission elastic component. The static property test bed can be used to test the static property of the power transmission elastic components of different types, can achieve the tested static torque of 2,000kNm and can satisfy the test requirements of elastic couplers of various vessel diesel engines in home.