Allis Chalmers 7045

The Allis Chalmers 7045 is a tractor produced by Allis Chalmers. It is equipped with a 426 ci 7.0 L engine. The listed engine power is Diesel (listed): 173 hp / 129.0 kW. Transmission: Power Shift. Operating weight: 11450 to 14500 pounds.

Engine Power

Diesel (listed): 173 hp / 129.0 kW

Fuel & Capacities

51 gal 193.0 L

Transmission

Power Shift

Operating Weight

11450 to 14500 pounds

Overview

	1978 - 1981 7000 SeriesRow-Crop tractor 7000 Series Row-Crop tractor

Production
Manufacturer	Allis Chalmers
Row-Crop tractor
Built in West Allis, Wisconsin, USA
Original price	$43,328

Allis Chalmers 7045 Engine
Allis Chalmers 7.0L 6-cyl diesel
Fuel tank	51 gal 193.0 L
	13 gal (optional auxiliary tank) 49.2 L
Engine details ...

Allis Chalmers 7045 Power
Engine	173 hp 129.0 kW
Drawbar (claimed)	124 hp 92.5 kW
PTO (claimed)	145 hp 108.1 kW
Drawbar (tested)	123.35 hp 92.0 kW
PTO (tested)	146.88 hp 109.5 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	inboard planetary
Differential lock	standard
Steering	hydrostatic power
Differential power wet disc brakes
Acousta cab standard with heat. Air-conditioning optional. Radio and 8-track player optional. Four-post ROPS canopy optional.

Hydraulics
Type	closed center
Valves	2 or 3
Pump flow	22 gpm 83.3 lpm
Total flow	45 gpm 170.3 lpm
Steering flow	9.5 gpm 36.0 lpm

Tractor hitch
Rear Type	3/2
Rear lift (at 24"/610mm)	6,680 lbs 3030 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000

Dimensions & Tires
Wheelbase	106 inches 269 cm
Weight	11450 to 14500 pounds
Front tire	11.00x16
Rear tire	18.4x38
Full dimensions and tires ...

References

Loaders - picking up where the others leave off published in 1979, by Allis Chalmers
7080/7060/7045/7020 - All Four, Big Power published in 1978, by Allis Chalmers
7080/7060/7045/7020 - The Power Squadron published in 1980, by Allis Chalmers
7080/7060/7045/7020/7010 - The Power Squadron published in 1981, by Allis Chalmers
7045 - More Muscle For A Strong Favorite published in 1977, by Allis Chalmers

Engine

Engine Detail — 426 ci / 7.0 L Diesel

Manufacturer	Allis Chalmers 670T
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled Inline
Displacement	426 ci 7.0 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Power	173 hp 129.0 kW
Air cleaner	dry with pre-cleaner
Compression	16:1
Rated RPM	2300
Starter volts	12
Oil capacity	19 qts 18.0 L
Coolant capacity	31 qts 29.3 L

Transmission

Transmission options
20-speed partial power shift
12-speed partial power shift

Transmission — Power Director

Transmission	Power Director
Type	partial power shift
Gears	20 forward and 4 reverse
Oil capacity	29.6 qts 28.0 L
With 18.4x38 rear tires.

Transmission — Power Shift

Transmission	Power Shift
Type	partial power shift
Gears	12 forward and 2 reverse
Six gears in two ranges. Power shift between gears in range.
With 18.4x38 rear tires.

Dimensions

Allis Chalmers 7045 Tires
Ag front	11.00x16
Ag rear	18.4x38
Ag front	10.00x16
	14Lx16
Ag rear	23.1x30
	24.5x32
	30.5x32
	20.8x34
	15.5x38
	16.9x38
	20.8x38
	18.4x42

Dimensions
Wheelbase	106 inches 269 cm
Length	168 inches 426 cm
Width	95.5 inches 242 cm
	119.5 inches (optional long axle) 303 cm
Ground clearance	21 inches (front axle) 53 cm
	28 inches (rear axle) 71 cm
Rear axle	3.75 inch diameter 95 mm
Rear axle	4.00 inch diameter 101 mm

Allis Chalmers 7045 Weight
Shipping	11,450 lbs 5193 kg
Operating	14,500 lbs (duals) 6577 kg
Ballasted	18,990 lbs 8613 kg

Allis Chalmers 7045 Height
Steering wheel	87 inches 220 cm
Hood	68 inches 172 cm
Exhaust	116 inches 294 cm

Tests

Tractor Tests
NTTL 1261: diesel Power Director 2WD
NTTL 1308: diesel Power shift 2WD

Nebraska Tractor Test 1261
Diesel Power Director 2WD October 12 - 25, 1977 Link: Nebraska Tractor Test 1261 file
PTO performance
Power at rated engine speed	146.18 hp 109.0 kW
Fuel use	10.1 gal/hour 38.2 l/hour
Power at rated PTO speed	146.46 hp 109.2 kW
Fuel use	10.0 gal/hour 37.9 l/hour
Drawbar performance
Max power	122.90 hp 91.6 kW
Fuel use	10.1 gal/hour 38.2 l/hour
Gear 4SL used for power test.
Max pull	15,430 lbs 6999 kg
Gear 1SH used for pull test.

Nebraska Tractor Test 1308
Diesel Power shift 2WD May 3 - 8, 1979 Link: Nebraska Tractor Test 1308 file
PTO performance
Power at rated engine speed	146.88 hp 109.5 kW
Fuel use	10.0 gal/hour 37.9 l/hour
Power at rated PTO speed	146.67 hp 109.4 kW
Fuel use	9.8 gal/hour 37.1 l/hour
Drawbar performance
Max power	123.35 hp 92.0 kW
Fuel use	9.8 gal/hour 37.1 l/hour
Gear 1F used for power test.
Max pull	15,449 lbs 7007 kg
Gear 2S used for pull test.

Photos

Allis Chalmers 7045

Recommended Implements & Sizing Guide

Engineering recommendations for Allis Chalmers 7045 based on its 173 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
Rotary Cutter / MowerMowing & Clearing	15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼	Commercial / Field Scale	Large commercial field and roadside mowing operations.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m)	Commercial / Field Scale	High-capacity commercial forage harvesting (1000 RPM PTO).

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers 7045.

Estimated Continuous Field Runtime: 5.7 hrs

Approximately 5.7 hours of continuous field operation at ~75% rated power on a full tank (51 gal / 193.1 L).

Estimated 75% Load Fuel Burn~9 gal/hr (34.1 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours