what was the record amount of wins in one season for a team

The Boston Red Caps had 39 wins in 1876.

	TEAM	W	REC	SEASON	L	W%	G	AB	R	H	2B	3B	HR	RBI	BB	SO	PA	TB	XBH	AVG	SLG
1	Red Caps	39	39-31	1876	31	.557	70	2,722	471	723	96	24	9	281	58	98	2,780	894	129	.266	.328
2	White Stockings	52	52-14	1876	14	.788	66	2,748	624	926	131	32	8	441	70	45	2,818	1,145	171	.337	.417
3	Reds	9	9-56	1876	56	.138	65	2,372	238	555	51	12	4	132	41	136	2,413	642	67	.234	.271
4	Dark Blues	47	47-21	1876	21	.691	69	2,664	429	711	96	22	2	265	39	78	2,703	857	120	.267	.322
5	Grays	30	30-36	1876	36	.455	69	2,570	280	641	68	14	6	191	24	98	2,594	755	88	.249	.294
6	Mutuals	21	21-35	1876	35	.375	57	2,180	260	494	39	15	2	161	18	35	2,198	569	56	.227	.261
7	Athletics	14	14-45	1876	45	.237	60	2,387	378	646	79	35	7	249	27	36	2,414	816	121	.271	.342
8	Brown Stockings	45	45-19	1876	19	.703	64	2,478	386	642	73	27	2	264	59	63	2,537	775	102	.259	.313
9	Red Caps	42	42-18	1877	18	.700	61	2,368	419	700	91	37	4	291	65	121	2,433	877	132	.296	.370
10	White Stockings	26	26-33	1877	33	.441	60	2,273	366	633	79	30	0	248	57	111	2,330	772	109	.278	.340
11	Reds	15	15-42	1877	42	.263	58	2,135	291	545	72	34	6	224	78	110	2,213	703	112	.255	.329
12	Dark Blues	31	31-27	1877	27	.534	60	2,358	341	637	63	31	4	201	30	97	2,388	774	98	.270	.328
13	Grays	35	35-25	1877	25	.583	61	2,355	339	659	75	36	9	248	58	140	2,413	833	120	.280	.354
14	Brown Stockings	28	28-32	1877	32	.467	60	2,178	284	531	51	36	1	198	57	147	2,235	657	88	.244	.302
15	Red Caps	41	41-19	1878	19	.683	60	2,220	298	535	75	25	2	194	35	154	2,255	666	102	.241	.300
16	White Stockings	30	30-30	1878	30	.500	61	2,333	371	677	91	20	3	284	88	157	2,421	817	114	.290	.350
17	Reds	37	37-23	1878	23	.617	61	2,281	333	629	67	22	5	228	58	141	2,339	755	94	.276	.331
18	Blues	24	24-36	1878	36	.400	63	2,300	293	542	76	15	3	197	64	197	2,364	657	94	.236	.286
19	Grays	15	15-45	1878	45	.250	61	2,212	256	552	65	20	2	177	69	214	2,281	663	87	.250	.300
20	Grays	33	33-27	1878	27	.550	62	2,298	353	604	107	30	8	251	50	218	2,348	795	145	.263	.346
21	Red Caps	54	54-30	1879	30	.643	84	3,217	562	883	138	51	20	393	90	222	3,307	1,183	209	.274	.368
22	White Stockings	46	46-33	1879	33	.582	83	3,116	437	808	167	32	3	293	73	294	3,189	1,048	202	.259	.336
23	Reds	43	43-37	1879	37	.538	81	3,085	485	813	127	53	8	364	66	207	3,151	1,070	188	.264	.347
24	Grays	59	59-25	1879	25	.702	85	3,392	612	1,003	142	55	12	405	91	172	3,483	1,291	209	.296	.381
25	Bisons	46	46-32	1879	32	.590	79	2,906	394	733	105	54	2	279	78	314	2,984	952	161	.252	.328