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Machine A
✓ Caterpillar 12H
Machine B
✓ John Deere Construction & Forestry John Deere 670B
Comparison Overview

The Caterpillar 12H and John Deere Construction & Forestry John Deere 670B are both Motor Grader models. This page compares their full specification sheets side by side to help you identify the right machine for your application. Use the full spec table below to compare all available data points including hydraulics, dimensions, and drivetrain specifications.

Caterpillar
12H
View specs →
John Deere Construction & Forestry
John Deere 670B
View specs →
Engine
Alternator Supplied Amperage
75 A ↑
42 A
Articulation Angle
50 deg ↑
25 deg
Blade Down Pressure
23,807.80 lb
Blade Pull At Max Weight
28,867 lb
C-9 ETA VHP
1
Circle Gearbox Fluid Capacity
1.80 gal
3 gal ↑
Cooling System Fluid Capacity
11.60 gal ↑
7 gal
Displacement
537 cu in ↑
414 cu in
Engine Make
2236
2240
Engine Model
C-9 ETA VHP
6068T
Fuel Capacity
100 gal ↑
70 gal
Ground Clearance
2 ft ↑
1.90 ft
Hydraulic System Fluid Capacity
19.50 gal ↑
14 gal
Max Depth Of Cut
28.90 ft
Max Operation Weight - Front Axle
13,744 lb ↑
9,870 lb
Max Operation Weight - Rear Axle
32,074 lb ↑
23,440 lb
Max Operation Weight - Total
45,818 lb ↑
33,310 lb
Max Power
165 hp ↑
135 hp
Max Speed - Forward
27.40 mph ↑
24.40 mph
Max Speed - Reverse
21.60 mph ↑
8.20 mph
Moldboard Height
24 in
24 in
Moldboard Thickness
0.90 in
0.90 in
Moldboard Width
12 ft
12 ft
Net Power Gear 1-2
145 hp
Net Power Gear 4-6
165 hp
Net Power Gear 5-6
165 hp
Net Power Gears 7-8
165 hp ↑
135 hp
Net Torque Gears 7-8
460 lb-ft
Number Of Gears - Forward
8
8
Number Of Gears - Reverse
6 ↑
4
Number of Cylinders
6
6
Oil System Fluid Capacity
7.20 gal ↑
5 gal
Operating Voltage
24 V
24 V
Oscillation - Total
32 deg
32 deg
Power Measured @
2,000 rpm
2,300 rpm ↑
Pump Flow
51.90 gal/min ↑
37.60 gal/min
Rear Diff/Final Drive Fluid Capacity
12.20 gal
Relief Valve Pressure
3,500 psi
Side Shift Left
20.60 in
26.90 in ↑
Side Shift Right
26 in
26.90 in ↑
Std Operation Weight - Front Axle
8,346 lb
8,620 lb ↑
Std Operation Weight - Rear Axle
22,974 lb ↑
20,410 lb
Std Operation Weight - Total
31,320 lb ↑
29,030 lb
Tandem Case Fluid Capacity (Each)
16.90 gal ↑
5 gal
Tire Size
13 in
Torque Measured @
1,300 rpm
Turning Radius
24.30 ft ↑
22 ft
Wheel Lean
18 deg
20 deg ↑
Dimensions
Blade Base
8.44 in
8.76 in ↑
Front Ground Clearance
1.95 ft ↑
1.84 ft
Height To Top Of Isomount Cab
10.17 ft ↑
10.04 ft
Overall Length
28.12 ft ↑
27.27 ft
Rear Ground Clearance
1.13 ft
Tandem Axle Wheelbase
4.99 ft
5.06 ft ↑
Wheelbase
19.97 ft ↑
19.59 ft
Width Over Tires
8 ft ↑
7.85 ft
Hydraulics
Blade Tip Angle - Front
40 deg
49 deg ↑
Blade Tip Angle - Rear
5 deg
5 deg
Diameter
60.20 in ↑
59.90 in
Max Lift Above Ground
18.90 in ↑
17.50 in
Max Reach Outside Tires - Left
73.60 ft
85.10 ft ↑
Max Reach Outside Tires - Right
71.20 ft
83.10 ft ↑
Rotation
360 deg
360 deg
Shift Left
27.40 in
31 in ↑
Shift Right
28.70 in ↑
28.60 in
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Frequently Asked Questions

What is the difference between the Caterpillar 12H and John Deere Construction & Forestry John Deere 670B? +

The Caterpillar 12H and John Deere Construction & Forestry John Deere 670B are both Motor Grader models with different specifications suited to different applications. Key differences include engine power, operating weight, and working dimensions. Review the full spec table above for a complete side-by-side comparison of all available data points.

Which is better for Motor Grader work, the Caterpillar 12H or John Deere Construction & Forestry John Deere 670B? +

The best choice between the Caterpillar 12H and John Deere Construction & Forestry John Deere 670B depends on your specific application requirements including required digging depth, lift capacity, site access constraints, and budget. Compare the full specification tables above and focus on the specs most relevant to your job — typically engine power, operating weight, and key working dimensions.

Where can I find the full specifications for the Caterpillar 12H and John Deere Construction & Forestry John Deere 670B? +

Full specifications for both machines are listed in the comparison table on this page. The Caterpillar 12H has 62 documented specification data points and the John Deere Construction & Forestry John Deere 670B has 55. You can also view each machine's individual spec page for additional details.

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