FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Coliseum Capital Management, LLC   2. Issuer Name and Ticker or Trading Symbol Blue Bird Corp [BLBD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 105 ROWAYTON AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 09/23/2017 (Street) ROWAYTON, CT 06853 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/23/2017   S   742,566 D $ 18.65 0 I See Footnotes (1) (4) (5)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Series A Convertible Cumulative Preferred Stock

$ 11.59

09/23/2017

S

100,000

(3)

(3)

Common Stock

862,811

$ 164.35

0

I

See footnotes (1) (2) (3) (4) (6)

Warrants

$ 5.75

09/23/2017

S

512,000

02/26/2016

02/24/2020

Common Stock

256,000

$ 3.575

0

I

See footnotes (1) (4) (7)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Coliseum Capital Management, LLC 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X
Shackelton Christopher S 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X
Coliseum Capital, LLC 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X
COLISEUM CAPITAL PARTNERS, L.P. 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X
Coliseum Capital Partners II, L.P. 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X
Gray Adam 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X
Coliseum School Bus Holdings, LLC 105 ROWAYTON AVENUE ROWAYTON, CT 06853	X

Signatures

Coliseum Capital Management, LLC By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date
Christopher Shackelton By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date
Coliseum Capital, LLC By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date
Coliseum Capital Partners, L.P. By: Coliseum Capital, LLC, its General Partner, By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date
Coliseum Capital Partners II, L.P. By: Coliseum Capital, LLC, its General Partner, By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date
Adam Gray, By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date
Coliseum School Bus Holdings, LLC By: Coliseum Capital Management, LLC, its Manager By: /s/ Thomas Sparta, Attorney-in-fact		09/26/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These securities were held directly by (a) Coliseum Capital Partners, L.P. ("CCP"), an investment limited partnership of which Coliseum Capital, LLC, a Delaware limited liability company ("CC"), is general partner and for which Coliseum Capital Management, LLC, a Delaware limited liability company ("CCM"), serves as investment adviser, (b) Coliseum Capital Partners II, L.P. ("CCP2" and, together with CCP, the "Funds"), an investment limited partnership of which CC is general partner and for which CCM serves as investment adviser, (c) Coliseum School Bus Holdings, LLC ("CSB") and (d) a separate account investment advisory client of CCM (the "Separate Account").
(2)	Christopher Shackelton ("Shackelton") and Adam Gray ("Gray") are managers of CCM and CC. CSB is a company through which CCP, CCP2 and Separate Account previously invested in the Issuer's 7.625% Series A Convertible Cumulative Preferred Stock (the "Series A Convertible Cumulative Preferred Stock"). CCM is the manager of CSB.
(3)	The Series A Convertible Cumulative Preferred Stock is convertible into common stock at any time and has no expiration state.
(4)	CCP, CCP II, CSB, and the Separate Account (each a "Seller", and collectively, the "Sellers") entered into a Securities Purchase Agreement (the "Purchase Agreement") on September 23, 2017, pursuant to which the Sellers agreed to sell and the Issuer agreed to purchase all of (i) the shares of common stock, par value $0.0001 (the "Common Stock") of the Issuer, (ii) the shares of the Issuer's Series A Convertible Cumulative Preferred Stock, par value $0.0001 per share, and (iii) the warrants to acquire Common Stock, in each case, owned by the Sellers.
(5)	Following the transactions reported herein, CCP, CCP2, the Separate Account and CSB each directly owned zero (0) shares of the Common Stock, respectively.
(6)	Following the transactions reported herein, CSB directly owned zero (0) shares of the Series A Convertible Cumulative Preferred Stock.
(7)	Following the transactions reported herein, CCP, CCP2 and the Separate Account each directly owned zero (0) warrants, respectively.
Remarks: Adam Gray is a director of the Blue Bird Corporation (the "Issuer"). As a result, the following persons may be deemed directors by deputization of the Issuer solely for purposes of Section 16 of the Securities Exchange Act of 1934, as amended: Coliseum Capital Management, LLC; Coliseum Capital, LLC; Coliseum Capital Partners, L.P.; Coliseum Capital Partners II, L.P.; Coliseum School Bus Holdings, LLC and Christopher Shackelton.

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