The Long March 3 rocket family includes : Long March 3 Long March 3A Long March 3B Long March 3B/E Long March 3C Long March 3C/E and is part of the entire Long March (rocket family).

The Long March 3 family are intended for GTO launches, and have a hydrolox 3rd stage.

Specifications of all LM-3 types +SpecificationsSeries33A3B3B/E3C3C/EModelStages333 (plus 4 strap-on boosters)3 (plus 4 strap-on boosters)3 (plus 2 strap-on boosters)3 (plus 2 strap-on boosters)Length (m)43.252.554.856.354.856.3Max. diameter (m)3.35 3.35 3.35 3.35 3.35 3.35Liftoff mass (t)204241426459345378Liftoff thrust (kN)2,9622,9625,9235,9234,4424,442Payload (LEO, kg)5,000 8,500 11,500 11,500 8,000 8,000Payload (GTO, kg)1,500 2,600 5,100 5,500 3,800 3,900

Summary Launch statistics for all LM-3 types The following launch statistics are gathered from the individual Wikipedia pages of each CZ-3x variants as those pages are updated more frequently by various editors; the numbers are current as of 28 May 2025.

+Long March 3 (rocket family)DerivativesStatusFirst flightLaunchesSuccessesFailuresPartial failuresLong March 329 January 1984131021Long March 3A8 February 1994272700Long March 3B14 February 1996121011Long March 3B/E13 May 2007979511Long March 3C25 April 2008121200Long March 3C/E23 October 20147700