Hallicrafters didn't make a lot of transceivers, compared to the number of receivers and transmitters they produced. Any "SR" prefixed transceiver you find is a hard-to-find radio.

SR-34
SR-34 16-Tube, 6-8W 6 & 2 Meter Transceiver, AM/CW. Crystal controlled 4 pos, or external VFO. Double conversion RX. SR-34 can be operated cross-band. Production year 1958. Supplementary photos qa

SR-34AC
SR-34AC Sa SR-34 without built-in 6- and 12VDC power. qa

SR-42
SR-42 11-Tube 2 Meter AM Transceiver, 12 watt. 4 crystals in transmitter, external VFO. Double conversion VFO controlled receiver. Production year 1964. Supplementary photos qa

SR-42A
SR-42A - Same as SR42 but with added squelch circuitry. Supplementary photos qa

SR-46
SR-46 10-Tube 6 Meter AM Transceiver, 12 watt. 4 crystals in transmitter, external VFO. Double conversion VFO controlled receiver. Production year 1964. Supplementary photos
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SR-46A
SR-46A SR46 but added squelch circuitry. Production year 1964-65. qa

SR-75
SR-75 10-Watt 80-10 Meter CW Transeiver, S-38B Receiver. qa

SR-120
SR-120 19-tube 80-20 Meter CW/SSB Transceiver. Production year 1950-51. qa

SR-150
SR-150 19-tube 80-10 Meter CW/SSB Transceiver. 150W PEP, 125W CW. It used 19 tubes, and a dual conversion receiver for SSB/CW transmissions on 80,40,20,15 & 10 meters. The SR-150 is complex and well-constructed, and is known for its quiet receiver. Production year 1961-63. Mobile mount MR-150 12V mobile power supply PS-150 qa

SR-160
SR-160 Transceiver. Scaled down SR-150, 17 tubes, single conversion receiver. Covers the complete 80, 40, and 20 meter ham bands. Power input of 150 watts for SSB and 125 watts for CW. The receiver sections has a sensitivity of 1 microvolt for 20 db signal-to-noise ratio, utilizes single conversion, a 5200 Khz IF, and a crystal lattice filter for selectivity. It has a 100 Khz crystal calibrator. The power requiremments are: 12V ac at 4.5 amps, -125V dc at 6.5 ma, 150V DC at 175 ma, and 575V DC at 200 ma. Production year 1961-63. Supplementary photos qa

SR-400
SR-400 400W PEP, 360W CW (power input), 20-tube 80-10 Meter CW/SSB Transceiver "Cyclone". Dual conversion reciver. Include VOX,PTT,AALC,Product detector,1650KHz crystal lattic filter, CW side-tone, crystal calibrator, combined R.F output & S-meter, noise blanker, RIT with a 3KHz offset, driver tube is a 7558. External power supply. Production year 1965-69. qa

SR-400A
SR-400A Cyclone lll. SR400A has same specifications as SR400 except power rating is 550W SSB and 175W CW power input. PA tubes are 2* 6KD6. Production year 1969. Supplementary photos qa

SR-500
SR-500 17-tube 80-20 Meter CW/SSB Transceiver "Tornado", 500W PEP and 300W CW power input. Single conversion receiver with crystal filter. Production year 1965. Supplementary photos qa

SR-500R RACK
SR-500R RACK: HT-30/HT-31/SX-100 in desk-like rack "Console". Production year 1955. qa

SR-540
SR-540 80-10 Meter CW/SSB Transceiver. Production year 1965. qa

SR-750
SR-750 750 Watt 80-10 SSB/CW Transceiver "Cyclone". Production year 1965. qa

SR-2000
SR-2000 2K Watt PEP input900 Watt CW input, 19-tube 80-10 SSB/CW Transceiver "Hurricane". Dual conversion receiver with 2.1kHz crystal (lattic) filter. Production year 1965-72. Supplementary photos qa