what is the record for most wins with a 40 point margin in a single season

The Oklahoma City Thunder and the Boston Celtics are tied for the most wins with a point differential of 40 or above in a season, with 4 wins in 2023-24.

Interpreted as:

What is the record for most wins with a 40 or more point margin in a single season?

	TEAM	W	DIFF	SEASON	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Thunder	4	195	2023-24	4	240.0	138.8	54.0	34.3	6.3	6.5	52.8	90.8	58.1	17.5	36.3	48.3	15.8	18.3	86.3	70.2	9.3	44.8	14.5	960	555	216	137	25	26	58	67
2	Celtics	4	193	2023-24	4	240.0	140.5	54.0	31.0	8.3	4.0	51.8	95.3	54.3	21.5	45.0	47.8	15.5	17.3	89.9	68.3	11.3	42.8	9.0	960	562	216	124	33	16	36	64
3	76ers	3	142	2023-24	3	240.0	139.7	46.7	33.3	11.7	4.7	50.7	92.0	55.1	18.7	41.0	45.5	19.7	22.7	86.8	68.5	9.7	37.0	9.3	720	419	140	100	35	14	28	61
4	Celtics	3	128	2022-23	3	240.0	138.7	55.0	28.3	5.3	6.7	52.0	91.3	56.9	22.0	47.0	46.8	12.7	17.0	74.5	70.2	9.0	46.0	10.7	720	416	165	85	16	20	32	49
5	Celtics	3	143	2021-22	3	240.0	135.7	52.3	33.0	4.7	7.0	51.0	92.0	55.4	22.7	44.7	50.7	11.0	14.0	78.6	69.1	10.3	42.0	9.0	720	407	157	99	14	21	27	57
6	Bucks	3	132	2019-20	3	240.0	134.0	58.7	35.0	6.7	3.0	50.7	94.0	53.9	19.0	41.3	46.0	13.7	20.3	67.2	65.1	10.3	48.3	12.3	720	402	176	105	20	9	37	57
7	Mavericks	3	136	2019-20	3	240.0	138.3	51.3	29.7	7.7	6.0	51.7	92.0	56.2	18.3	37.7	48.7	16.7	21.0	79.4	68.3	8.7	42.7	9.3	720	415	154	89	23	18	28	56
8	Jazz	3	127	2017-18	3	240.0	120.0	53.3	28.3	9.7	4.3	46.0	88.0	52.3	14.3	34.3	41.7	13.7	16.3	83.7	63.0	12.0	41.3	13.7	720	360	160	85	29	13	41	59
9	Warriors	3	134	2016-17	3	240.0	142.7	50.7	39.3	7.7	5.7	53.7	88.3	60.8	16.7	32.7	51.0	18.7	25.7	72.7	71.6	8.0	42.7	12.0	720	428	152	118	23	17	36	53
10	Suns	3	143	1988-89	3	240.0	136.7	51.7	31.7	12.3	4.3	53.3	96.0	55.6	3.3	6.3	52.6	26.7	35.3	75.5	61.3	16.7	35.0	15.0	720	410	155	95	37	13	45	61
11	Lakers	3	127	1988-89	3	240.0	134.3	50.0	34.3	11.3	10.0	51.7	88.7	58.3	2.3	6.3	36.8	28.7	34.0	84.3	64.8	13.3	36.7	16.7	720	403	150	103	34	30	50	55
12	Lakers	3	147	1971-72	3	240.0	146.3	65.3	39.0			62.3	108.7	57.4				21.7	26.7	81.3	60.8				720	439	196	117				59
13	Bucks	3	139	1970-71	3	240.0	134.3	59.3	32.3			52.3	97.0	54.0				29.7	35.7	83.2	59.6				720	403	178	97				49
14	Celtics	3	144	1968-69	3	240.0	137.0	68.3	32.3			55.3	111.7	49.6				26.3	33.0	79.8	54.3				720	411	205	97				72
15	Pistons	2	86	2024-25	2	240.0	129.5	52.5	31.5	10.0	7.5	48.5	90.0	53.9	15.5	38.0	40.8	17.0	21.0	81.0	65.2	9.5	43.0	13.5	480	259	105	63	20	15	27	38
16	Cavaliers	2	83	2024-25	2	240.0	133.0	49.0	32.0	6.0	6.5	49.0	86.5	56.6	22.5	38.5	58.4	12.5	16.0	78.1	71.1	6.0	43.0	9.5	480	266	98	64	12	13	19	30
17	Celtics	2	94	2024-25	2	240.0	125.0	49.5	31.0	11.0	8.0	48.0	89.5	53.6	21.0	45.5	46.2	8.0	11.5	69.6	66.1	9.5	40.0	11.0	480	250	99	62	22	16	22	18
18	Kings	2	86	2024-25	2	240.0	135.5	46.0	34.5	11.0	5.5	52.0	93.5	55.6	21.0	41.0	51.2	10.5	13.0	80.8	68.3	10.0	36.0	13.0	480	271	92	69	22	11	26	35
19	Heat	2	90	2024-25	2	240.0	143.5	56.0	39.0	11.5	5.0	55.0	97.0	56.7	22.0	46.0	47.8	11.5	15.5	74.2	69.1	14.5	41.5	12.0	480	287	112	78	23	10	24	29
20	Grizzlies	2	96	2024-25	2	240.0	139.0	55.5	35.0	13.0	10.5	50.0	91.5	54.6	21.5	45.5	47.3	17.5	21.5	81.4	68.8	12.5	43.0	18.0	480	278	111	70	26	21	36	36
21	Warriors	2	83	2024-25	2	240.0	137.5	52.0	38.5	16.0	4.5	53.5	101.5	52.7	20.5	47.0	43.6	10.0	12.5	80.0	64.3	14.5	37.5	12.5	480	275	104	77	32	9	25	40
22	Pacers	2	83	2023-24	2	240.0	154.5	48.5	39.5	8.5	5.0	60.0	97.5	61.5	19.5	37.0	52.7	15.0	16.5	90.9	73.7	10.5	38.0	14.0	480	309	97	79	17	10	28	48
23	Timberwolves	2	86	2021-22	2	240.0	131.0	58.5	24.5	11.0	7.5	43.5	91.5	47.5	16.5	42.0	39.3	27.5	36.0	76.4	61.0	18.5	40.0	16.5	480	262	117	49	22	15	33	51
24	Warriors	2	83	2021-22	2	240.0	132.0	48.0	37.5	11.0	4.5	50.0	92.5	54.1	19.5	46.0	42.4	12.5	15.5	80.6	66.5	9.0	39.0	9.0	480	264	96	75	22	9	18	33
25	Jazz	2	95	2020-21	2	240.0	145.5	48.5	35.0	7.0	7.5	53.0	89.0	59.6	25.0	48.0	52.1	14.5	16.5	87.9	75.6	7.5	41.0	12.0	480	291	97	70	14	15	24	40