Cab and fasteners for vehicle cab

1. An off-road vehicle comprising:

a cab;

a roof portion, windshield, and rear window;

a plurality of ROPS couplers, each coupler secured to one or more ROPS members at a proximal end and each coupler including a recess at a distal end for receiving a buckle insert; and

one or more buckle inserts attached to at least one of the roof portion, windshield, and rear window;

wherein each buckle insert is selectively releasable from a ROPS coupler.

2. A utility vehicle comprising:

a cab assembly;

a roof assembly;

a windshield assembly;

a rear window assembly; and

two or more couplers attached to one or more ROPS members, each coupler secured to one or more ROPS members at a proximal end and each coupler including a recess at a distal end for receiving a buckle insert;

wherein the couplers are each aligned with and are releasably connected with a buckle insert attached to one or more of the roof assembly, windshield assembly, rear window assembly and doors of the cab assembly.

3. The utility vehicle of claim 2 , wherein each coupler includes a buckle retainer for securing a buckle insert.

4. The utility vehicle of claim 2 , wherein each buckle insert includes an aperture for securing with the buckle retainer of the coupler.

5. The utility vehicle of claim 2 , wherein ROPS member comprises tubing.

6. The utility vehicle of claim 2 , wherein the couplers each further comprise a fastener for securing the coupler to a ROPS member.

7. The utility vehicle of claim 6 , further comprising a securing member, positioned between the coupler and the ROPS member.

8. The utility vehicle of claim 7 , wherein the securing member contacts both the coupler and fastener.