Eleven members of the Senate Finance Committee were designated yesterday to serve on the conference committee that will reconcile Senate and House versions of tax-overhaul legislation.

The six Republican conferees were selected by committee Chairman Bob Packwood; the five Democrats were designated by ranking minority member Russell B. Long. Story on Page A4.

The House-Senate conference is scheduled to begin Thursday. House Ways and Means Committee Chairman Dan Rostenkowski (D-Ill.) is to name the House conferees today.

Sen. Robert J. Dole (R-Kan.)

Senate majority leader, former chairman of Finance Committee. Elected to the Senate in 1968. As chairman of Finance Committee, pushed through tax increase bills in 1982 and 1984.

Initially cautious about comprehensive tax revision, but helped steer Packwood's bill through the full Senate. Favors tax breaks for oil and gas production, private aircraft manufacturers, and agriculture. Seeking reelection Nov. 4 and may run for president in 1988.

Sen. Bob Packwood (R-0re.)

Finance Committee chairman who engineered dramatic turnaround in committee's approach to tax overhaul. Prior to his emergence as a reformer for a simplified rate structure, he advocated expanding the tax code and creating new preferences. Elected to the Senate in 1968.

Will fight to keep tax rates on individuals and corporations as low as possible and to retain tax breaks for timber. Also favors tax-free employe fringe benefits. Seeking reelection Nov. 4.

Sen. John H. Chafee (R-R.I.)

Elected to the Senate in 1976. Governor of Rhode Island, 1963-69. Part of a moderate Republican bloc that has advocated tax increases to curb the deficit.

Was member of the "core group" of senators who supported Packwood's low-rate plan, which became the committee's final bill. Interested in preserving current tax treatment for federal worker pensions. Supports interest deductions for consumer purchases, including boats, a staple of Rhode Island.

Sen. Bill Bradley (D-N.J.)

Former basketball player for New York Knicks; elected to Senate in 1978. Co-author of a tax revision bill with Rep. Richard A. Gephardt (D-Mo.) that served as the basis for the final Senate bill. Part of Packwood's "core group."

Received wide praise for his mastery of tax policy and his role in pushing simplification of the tax code. A possible presidential candidate in 1988.

Sen. William V. Roth Jr. (R-Del.)

Third-ranking Republican on the Finance Committee. Elected to the Senate in 1970 after two terms in the House. Co-author with Rep. Jack Kemp (R-N.Y.) of the Kemp-Roth tax-cut bill signed by President Reagan in 1981. Chairman of the Governmental Affairs Committee.

Supports deductions for individual retirement accounts (IRAs) and tax incentives for business investment.

Sen. Malcolm Wallop (R-Wyo.)

Elected to the Senate in 1976 after stints in the Wyoming House and Senate. One of the most outspoken advocates of President Reagan's Strategic Defense Initiative (SDI).

A late arrival to Packwood's "core group"; added a conservative strain to the group. Supported an exemption for oil and gas from the bill's crackdown on tax shelters.

Sen. Daniel P. Moynihan (D-N.Y.)

Elected to the Senate in 1976. Served in Labor Department in Kennedy and Johnson administrations, as urban affairs adviser to President Richard M. Nixon. Former Harvard professor, ambassador to India and the United Nations. Part of Packwood's "core group."

Favors tax-exempt bonds, especially those that benefit higher education, and deductibility of state and local taxes. Wants to crack down on real estate tax shelters.

Sen. Lloyd Bentsen (D-Tex.)

Second-ranking Democrat on the Finance Committee. Elected to the Senate in 1970; also served in the House from 1948-55. Made an unsuccessful bid for the presidency in 1976 on a platform of personal tax cuts and reductions in the tax on captal gains.

Favors tax advantages for oil and gas production and incentives for business investment. Would become chairman of the Finance Committee in 1987 if Democrats regain control of the Senate this November.

Sen. Spark M. Matsunaga (D-Hawaii)

Elected to the Senate in 1976. Served seven terms in the House, beginning in 1963. More concerned with serving his constituents than being a force in national issues. Succeeded in enacting into law his idea for a government institute dedicated to the study of peace.

Favors retention of tax credit for solar power and other miscellaneous tax breaks. Votes consistently with Long.

Sen. John C. Danforth (R-Mo.)

Fourth-ranking Republican on the Finance Committee, chairman of the Commerce, Science and Transportation Committee. Elected to the Senate in 1976.

Although a member of Packwood's "core group," he is a strong advocate of a tax-accounting method that cuts defense contractors' taxes. Also supports tax credits for research and development and rehabilitation of historic buildings. Sen. Russell B. Long (D-La.)

Ranking Democrat on, and former chairman of, the Finance Committee. Elected to the Senate in 1948. Though revising many of the tax laws he established as chairman, Long generally supports Packwood's efforts to produce a bill.

Favors advantages for oil and gas production, deductibility of state and local sales taxes and benefits to help workers buy stock in their companies. Retiring from the Senate this year and considering a run for governor of Louisiana.