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towing thru the mountains

stanj
Explorer
Explorer
We will take our long awaited journey next week across the US. I would like to ask for some pointers towing our 4500 lb jeep behind our 36 ft. gas ( 2003 workhorse chassis ) Motor home . How hard are the Mountains out west with a towed vehicle ? Rockies I 70 and norther California and I 80

Thanks in advance sj
sj
56 REPLIES 56

gvisnic
Explorer
Explorer
I live in Colorado and have basically the same set up you do. I have the v-10 using 85 octane and have no problems towing in the mountains. A lot of places you will be in second gear and sometimes even first gear pulling up a grade a 30mph. Just use your gears on the downhill and just take your time on the uphills. You will not be the fastest, but very doable.

edm3rd
Explorer
Explorer
To expand on maintaining speed on long downhill :
1. Have your a/c on - it adds some drag.
2. Ideally, be in a low enough gear where speed doesn't increase, or at least requires VERY little application of service brakes to reduce speed. If frequent use of service brakes is required, downshift another gear.
3. If possible maintain speed the 18-wheelers are going - the downhill is not going to last forever.

Dealing with a long uphill and rising water temperature :
1. Have your a/c off, worst case heater on to help with radiator cooling.
2. Use lower gear to increase engine rpm to increase flow through radiator.
3. Again, reduce speed to that of 18-wheelers, but gear down to improve cooling with more rpm.

naturist
Nomad
Nomad
I-70 west of Denver climbs 6,000 feet at 6-7% grade. It also has equal downslopes. Lower gears are essential to keep your revs up to forstall overheating on the climb and save your brakes going down. Do not attempt to keep up with anybody going up, take it slow on both sides of the mountain.

akrv
Explorer
Explorer
.For every 1000 ft you go up you lose 3% of you horsepower unless you have a turbo charger. Also make sure you are putting in 87 octane gas in. Regular gas in the mountains is 85 octane or lower.
2005 Coachmen Concord 275DS
2004 Malibu Maxx LT

azdryheat
Explorer
Explorer
I never drive a gasser without it in Tow/Haul mode.
2013 Chevy 3500HD CC dually
2014 Voltage 3600 toy hauler
2019 RZR 1000XP TRE

Trackrig
Explorer II
Explorer II
Buy the Mountain Directory so you know what's on each road if you're not used to the western mountains.

Amazon

Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.

imgoin4it
Explorer
Explorer
Slow down and gear down at the top of the mountain and start down at the speed and in the gear that will maintain a safe speed all the way to the bottom. Do not let the coach get going too fast and end up burning up the service brakes trying to get the speed back down. Will take a few times to get some experience with downhill, so start out very consertively.
Howard,Connie,& Bella,
One spoiled schnauzer
2007 Newmar KSDP
4dr Jeep Wrangler

Mandalay_Parr
Explorer
Explorer
Gear down up hill and
Gear down going down hill.
Do not ride the brakes.

If you take it easy you will have no problems.
Jerry Parr
Full-time
2005 Mandalay 40B
Cat C7 350, 4 Slides
Blue Ox, Brake Buddy
2004 CR-V Toad
jrparr@att.net
602-321-8141
K7OU - Amateur Radio
Kenwood Radios
ARRL, W5YI, & LARC VE
SKYWARN Weather Spotter

MountainAir05
Explorer II
Explorer II
We live at 4300 and have 5500 to the West and 9500 to the East and tow. As stated fine a 2nd gear and enjoy. Our rig is 37 feet. Been all the way to Washington state with out any issue with it. We have a V10. Travel with a 1/4 tank water max.

Lwiddis
Explorer II
Explorer II
You'll be fine! Enjoy going slow up and down those mountains seeing it all while others zip at 80 and see nothing.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad

rk911
Explorer
Explorer
stanj wrote:
We will take our long awaited journey next week across the US. I would like to ask for some pointers towing our 4500 lb jeep behind our 36 ft. gas ( 2003 workhorse chassis ) Motor home . How hard are the Mountains out west with a towed vehicle ? Rockies I 70 and norther California and I 80

Thanks in advance sj


if you have a second driver consider unhooking and driving separately in areas you're concerned about.
Rich
Ham Radio, Sport Pilot, Retired 9-1-1 Call Center Administrator
_________________________________
2016 Itasca Suncruiser 38Q
'46 Willys CJ2A
'23 Jeep Wrangler JL
'10 Jeep Liberty KK

& MaggieThe Wonder Beagle

Goldencrazy
Explorer
Explorer
You are going to have some long runs on 70 and it will be slow so sit back and enjoy the roar of the engine. That is significant weight for your rig. More mountains in northern Ca. And southern Oregon but not as long or high. Be patient and enjoy.