SC 13G

SEC 1745 (02-02) Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.    

UNITED STATES	OMB APPROVAL
SECURITIES AND EXCHANGE COMMISSION	OMB Number: 3235-0145
Washington, D.C. 20549	Expires: December 31, 2005
SCHEDULE 13G (Rule 13d-102)	Estimated average burden hours per response. . 11

Information Statement Pursuant to Rules 13d-1 and 13d-2

Under the Securities Exchange Act of 1934

(Amendment No.  )*

Western Power & Equipment Corp.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

 959221102

(CUSIP Number)

September 10, 2007

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[     ]	Rule 13d-1(b)
[ X ]	Rule 13d-1(c)
[     ]	Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No.  959221102
	1.	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)   Potomac Capital Management LLC   13-3984298
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)		[     ]
		(b)		[     ]
	3.	SEC Use Only
	4.	Citizenship or Place of Organization   Limited Liability Company formed under the laws of the State of New York
Number of Shares Beneficially Owned by Each Reporting Person With			5.		Sole Voting Power   0
			6.		Shared Voting Power 702,200 shares of common stock
			7.		Sole Dispositive Power 0
			8.		Shared Dispositive Power 702,200 shares of common stock
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 702,200 shares of common stock
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  [     ]
	11.	Percent of Class Represented by Amount in Row (9) 6.25%
	12.	Type of Reporting Person (See Instructions)   HC; OO (Limited Liability Corporation)

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	1.	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)   Potomac Capital Management Inc.   13-3984786
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)		[     ]
		(b)		[     ]
	3.	SEC Use Only
	4.	Citizenship or Place of Organization   Corporation formed under the laws of the State of New York
Number of Shares Beneficially Owned by Each Reporting Person With			5.		Sole Voting Power   0
			6.		Shared Voting Power 702,200 shares of common stock
			7.		Sole Dispositive Power 0
			8.		Shared Dispositive Power 702,200 shares of common stock
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 702,200 shares of common stock
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  [     ]
	11.	Percent of Class Represented by Amount in Row (9) 6.25%
	12.	Type of Reporting Person (See Instructions)   HC; CO

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	1.	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)   Paul J. Solit
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)		[     ]
		(b)		[     ]
	3.	SEC Use Only
	4.	Citizenship or Place of Organization   U.S. Citizen
Number of Shares Beneficially Owned by Each Reporting Person With			5.		Sole Voting Power   0
			6.		Shared Voting Power 702,200 shares of common stock
			7.		Sole Dispositive Power 0
			8.		Shared Dispositive Power 702,200 shares of common stock
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 702,200 shares of common stock
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  [     ]
	11.	Percent of Class Represented by Amount in Row (9) 6.25%
	12.	Type of Reporting Person (See Instructions)   IN; HC

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Item 1.
	(a)		Name of Issuer Western Power & Equipment Corp.
	(b)		Address of Issuer's Principal Executive Offices 6407-B N.E. 117th Avenue Vancouver, WA 98662
Item 2.
	(a)		Name of Person Filing Potomac Capital Managemet LLC
	(b)		Address of Principal Business Office or, if none, Residence 825 Third Ave, 33rd Floor New York, New York 10022
	(c)		Citizenship Limited Liability Company formed under the laws of the State of New York.
	(a)		Name of Person Filing Potomac Capital Managemet Inc.
	(b)		Address of Principal Business Office or, if none, Residence 825 Third Ave, 33rd Floor New York, New York 10022
	(c)		Citizenship Corporation formed under the laws of the State of New York.
	(a)		Name of Person Filing Paul J. Solit
	(b)		Address of Principal Business Office or, if none, Residence c/o Potomac Capital Management LLC 825 Third Ave, 33rd Floor New York, New York 10022
	(c)		Citizenship U.S. Citizen
		(d)		Title of Class of Securities Common Stock, par value $0.001 per share
		(e)		CUSIP Number 959221102
Item 3.		If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:  Not Applicable
		(a)		[  ]	Broker or dealer registered under Section 15 of the Exchange Act;
		(b)		[  ]	Bank as defined in Section 3(a)(6) of the Exchange Act;
		(c)		[  ]	Insurance company as defined in Section 3(a)(19) of the Exchange Act;
		(d)		[  ]	Investment company registered under Section 8 of the Investment Company Act;

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(e)	[  ]	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
(f)	[  ]	An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g)	[  ]	A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h)	[  ]	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
(i)	[  ]	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
(j)	[  ]	Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.	Ownership
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
POTOMAC CAPTIAL MANAGEMENT LLC POTOMAC CAPITAL MANAGEMENT INC. PAUL J. SOLIT
	(a)	Amount beneficially owned:   702,200 shares of common stock
	(b)	Percent of class:  6.25%
	(c)	Number of shares as to which the person has:
		(i)	Sole power to vote or to direct the vote    0
		(ii)	Shared power to vote or to direct the vote    702,200 shares of common stock
		(iii)	Sole power to dispose or to direct the disposition of    0
		(iv)	Shared power to dispose or to direct the disposition of    702,200 shares of common stock
Item 5.	Ownership of Five Percent or Less of a Class
If this Statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following    [    ]
Item 6.	Ownership of More than Five Percent on Behalf of Another Person
Not Applicable.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person
See Exhibit A attached hereto.
Item 8.	Identification and Classification of Members of the Group
Not Applicable.
Item 9.	Notice of Dissolution of Group
Not Applicable.
Item 10.	Certification
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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Signature

After reasonable inquiry and to the best of its knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

Dated this 17th day of September, 2007

POTOMAC CAPITAL MANAGEMENT LLC

By: /s/      Paul J. Solit­­­

 Paul J. Solit, Managing Member

POTOMAC CAPITAL MANAGEMENT INC.

By: /s/     Paul J. Solit

 Paul J. Solit, President

PAUL J. SOLIT

By:  /s/ Paul J. Solit

Paul J. Solit

POTOMAC CAPITAL PARTNERS, LP

By: /s/ Paul J. Solit

Paul J. Solit, Managing Member of the   General Partner

EXHIBIT INDEX

The following exhibits are filed with this report on Schedule 13G:

Exhibit A Identification of entities which acquired the shares which are the subject of this report on Schedule 13G

Exhibit B Joint Filing Agreement dated September 17, 2007 among Potomac Capital Management LLC, Potomac Capital Management, Inc. and Paul J. Solit

EX-99

Exhibit A

Identification of entities which acquired the shares which are the subject of this report on Schedule 13G.

(1) Potomac Capital Partners LP, a private investment partnership formed under the laws of State of Delaware.  Potomac Capital Management LLC is the General Partner of Potomac Capital Partners LP.  Mr. Paul J. Solit is the Managing Member of Potomac Capital Managment LLC.

(2) Potomac Capital International Ltd., an international business company formed under the laws of the British Virgin Islands.  Potomac Capital Management Inc. is the Investment Manager of Potomac Capital International Ltd.  Paul J. Solit is the President and sole owner of Potomac Capital Management Inc., and a Director of Potomac Capital International Ltd.

(3) Pleiades Investment Partners-R, LP, a private investment partnership formed under the laws of the State of Delaware.  Potomac Capital Management Inc. is the Investment Manager of a managed account of Pleiades Investment Partners-R, LP.  Paul J. Solit is the President and sole owner of Potomac Capital Management Inc.

EX-99

Exhibit B

JOINT FILING AGREEMENT

            The  undersigned  hereby agree that the  Statement on Schedule  13G  with  respect  to the Common  Stock of  Numerex Corp. and any further  amendments  thereto executed by each and any of us shall be filed on behalf of each of us  pursuant to and in  accordance  with the provisions of Rule  13d-1(k)(1)  under the  Securities  Exchange Act of 1934, as amended.

            This  Agreement  may be executed in separate  counterparts,  each of which shall be deemed an original, but all of which shall constitute one and the same instrument.

Dated: September 17, 2007

POTOMAC CAPITAL MANAGEMENT LLC

By: /s/   Paul J. Solit­­­

Paul J. Solit, Managing Member

POTOMAC CAPITAL MANAGEMENT INC.

By:   /s/     Paul J. Solit

Paul J. Solit, President

PAUL J. SOLIT

By:  /s/ Paul J. Solit

Paul J. Solit

POTOMAC CAPITAL PARTNERS, LP

By:  /s/ Paul J. Solit

Paul J. Solit, Managing Member of the   General Partner