Recommended tire inflation pressure values corresponding to tire's weight load in pounds (lbs) per single tire for flotation tire sizes.

Tire SizeTire Load IndexRear Tire Application25 psi30 psi35 psi40 psi45 psi50 psi55 psi60 psi65 psi70 psi75 psi80 psi
27x8.50R1494010751200130514151520
29x9.50R15113512901435157517001820
30x9.50R15124014101565171518551985
31x10.50R15140015951765194521002270
31x11.50R15145516601820202021852335
31x12.50R15152017151930
32x11.50R15157517951985218523602535
33x10.50R15163018552040226024452600
33x10.50R17151517251930210522752470259027402910300531003195
33x10.50R18145016551820201521752335248026202755289030203195
33x11.50R18150517151930208522552405257027202835300031303305
33x12.50R15176520002205
33x12.50R17161018502040225524402600278029353085
33x12.50R18156517651985215023252470265028052910
33x12.50R20139015801765192020752205236525002600
33x12.50R22120013601520166017951930204521602270
33x13.50R15182020652270
33x15.50R15193021852405
33x9.50R15156517801980217023452535
34x10.50R17163518652095227024552600279529603085312031603195
35x12.50R15204022952535
35x12.50R17187521552405262528403000306531303195
35x12.50R18182020752335253027352910311532953415
35x12.50R20165518952095231024952680284530103195
35x12.50R22147516901875205522252405253526802835
35x13.50R15209523702600
35x13.50R18187521402405260528153000
35x13.50R20171019452150237025652755292030903195
35x14.50R15215024452755
36x13.50R18204023052535280530303195
36x14.50R15227026102910
36x14.50R17215024552755290030503195
36x14.50R18209523702600288531153305
36x15.50R15233526903000
37x12.50R15227026002910
37x12.50R17215024702755300532503525
37x12.50R18209523952680291531503415359037953970
37x12.50R20193022252470270529253085333535253750
37x12.50R2217652025227024652665283534153415
37x13.50R15233526903000
37x13.50R17220525502835295530753195319531953195
37x13.50R18215024702755300532503525
37x13.50R20198522902535278530153195343536303860
37x13.50R22182020802335253027352910312033003415
37x13.50R24161018452040224524252600276529253085
37x14.50R15240527753085
38x13.50R17240527153000
38x13.50R20215024602755299532403415360037853970
38x13.50R24176520252270246526652835304032153415
38x14.50R17247028003085312031603195
38x14.50R18240527153000330535753860
38x14.50R20220525352835308033303525
38x15.50R15268030403415
38x15.50R17253528853195
38x15.50R18247028003085340536853970
38x15.50R20227026002910316534253640
39x13.50R17253528853195
40x13.50R17268030553195319531953195
40x13.50R20247028153085342537053970397039703970
40x14.50R17275529753195
40x14.50R18268030753415
40x14.50R20253528953195
40x15.50R20260029853305352537503970
40x15.50R22240527653085336536403860
40x15.50R24220525202835306533153525367538203970
42x14.50R17308531403195
42x14.50R20283532753640

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