Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Long Suzette M

2. Date of Event Requiring Statement (MM/DD/YYYY) 2/15/2017

3. Issuer Name and Ticker or Trading Symbol

CATERPILLAR INC [CAT]

(Last) (First) (Middle)

100 NE ADAMS STREET

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
Int. Executive Vice President /

(Street)

PEORIA, IL 61629

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	528	D
Common Stock	409 ⁽¹⁾	I	Held by 401(k) Plan

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option	3/5/2015	3/5/2022	Common Stock	3025	$110.09	D
Employee Stock Option	3/4/2016	3/4/2023	Common Stock	4052	$89.75	D
Employee Stock Option	3/3/2017	3/3/2024	Common Stock	1756	$96.31	D
Employee Stock Option	⁽²⁾	3/2/2025	Common Stock	6657	$83.00	D
Employee Stock Option	⁽³⁾	3/7/2026	Common Stock	8883	$74.77	D
Phantom Stock Units	⁽⁴⁾	⁽⁴⁾	Common Stock	536	⁽⁵⁾	D

Explanation of Responses:
( 1)	The information in this report is based on a 401(k) Plan statement dated as of 12/31/2016.
( 2)	The stock options were granted pursuant to the Caterpillar Inc. 2014 Long-Term Incentive Plan on March 2, 2015 and vest equally in 1/3 increments on each of the first, second and third anniversaries of the grant date.
( 3)	The stock options were granted pursuant to the Caterpillar Inc. 2014 Long-Term Incentive Plan on March 7, 2016 and vest equally in 1/3 increments on each of the first, second and third anniversaries of the grant date.
( 4)	The phantom stock units were acquired under the Caterpillar Inc. Suplemental Deferred Compensation Plan and are to be settled 100% in cash upon the reporting person's retirement or separation from service.
( 5)	Each phantom stock unit is the economic equivalent of one share of Caterpillar Inc. common stock.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Long Suzette M 100 NE ADAMS STREET PEORIA, IL 61629			Int. Executive Vice President

Signatures
By: S. M. Long; G. Acker, POA		2/23/2017
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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